diff --git a/code/train/RollingRank.ipynb b/code/train/RollingRank.ipynb
index 255e962..724892c 100644
--- a/code/train/RollingRank.ipynb
+++ b/code/train/RollingRank.ipynb
@@ -8,8 +8,8 @@
      "source_hidden": true
     },
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:35:12.553694Z",
-     "start_time": "2025-04-04T15:35:12.549140Z"
+     "end_time": "2025-04-05T06:38:01.723777Z",
+     "start_time": "2025-04-05T06:38:01.719887Z"
     }
    },
    "source": [
@@ -24,7 +24,7 @@
     "pd.set_option('display.max_columns', None)\n"
    ],
    "outputs": [],
-   "execution_count": 30
+   "execution_count": 31
   },
   {
    "cell_type": "code",
@@ -32,8 +32,8 @@
    "metadata": {
     "scrolled": true,
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:36:03.894111Z",
-     "start_time": "2025-04-04T15:35:12.573328Z"
+     "end_time": "2025-04-05T06:38:57.155487Z",
+     "start_time": "2025-04-05T06:38:01.723777Z"
     }
    },
    "source": [
@@ -122,7 +122,7 @@
      ]
     }
    ],
-   "execution_count": 31
+   "execution_count": 32
   },
   {
    "cell_type": "code",
@@ -132,8 +132,8 @@
      "source_hidden": true
     },
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:36:18.904551Z",
-     "start_time": "2025-04-04T15:36:04.059865Z"
+     "end_time": "2025-04-05T06:39:09.058489Z",
+     "start_time": "2025-04-05T06:38:57.277355Z"
     }
    },
    "source": [
@@ -193,15 +193,15 @@
      ]
     }
    ],
-   "execution_count": 32
+   "execution_count": 33
   },
   {
    "cell_type": "code",
    "id": "c4e9e1d31da6dba6",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:36:19.231919Z",
-     "start_time": "2025-04-04T15:36:19.058570Z"
+     "end_time": "2025-04-05T06:39:09.290238Z",
+     "start_time": "2025-04-05T06:39:09.158167Z"
     }
    },
    "source": [
@@ -282,7 +282,7 @@
     "index_data = index_data.dropna()\n"
    ],
    "outputs": [],
-   "execution_count": 33
+   "execution_count": 34
   },
   {
    "cell_type": "code",
@@ -292,8 +292,8 @@
      "source_hidden": true
     },
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:36:19.280300Z",
-     "start_time": "2025-04-04T15:36:19.231919Z"
+     "end_time": "2025-04-05T06:39:09.329811Z",
+     "start_time": "2025-04-05T06:39:09.290238Z"
     }
    },
    "source": [
@@ -682,7 +682,7 @@
     "    return df, new_columns\n"
    ],
    "outputs": [],
-   "execution_count": 34
+   "execution_count": 35
   },
   {
    "cell_type": "code",
@@ -693,8 +693,8 @@
     },
     "scrolled": true,
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:36:25.455672Z",
-     "start_time": "2025-04-04T15:36:19.322099Z"
+     "end_time": "2025-04-05T06:39:15.425177Z",
+     "start_time": "2025-04-05T06:39:09.372963Z"
     }
    },
    "source": [
@@ -745,15 +745,15 @@
     "industry_df = read_industry_data('../../data/sw_daily.h5')\n"
    ],
    "outputs": [],
-   "execution_count": 35
+   "execution_count": 36
   },
   {
    "cell_type": "code",
    "id": "dbe2fd8021b9417f",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:36:25.503415Z",
-     "start_time": "2025-04-04T15:36:25.498021Z"
+     "end_time": "2025-04-05T06:39:15.477754Z",
+     "start_time": "2025-04-05T06:39:15.472541Z"
     }
    },
    "source": [
@@ -773,15 +773,15 @@
      ]
     }
    ],
-   "execution_count": 36
+   "execution_count": 37
   },
   {
    "cell_type": "code",
    "id": "85c3e3d0235ffffa",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:38:25.829052Z",
-     "start_time": "2025-04-04T15:36:25.591562Z"
+     "end_time": "2025-04-05T06:41:18.804527Z",
+     "start_time": "2025-04-05T06:39:15.570207Z"
     }
    },
    "source": [
@@ -828,15 +828,15 @@
      ]
     }
    ],
-   "execution_count": 37
+   "execution_count": 38
   },
   {
    "cell_type": "code",
    "id": "f4f16d63ad18d1bc",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:38:26.184750Z",
-     "start_time": "2025-04-04T15:38:26.172896Z"
+     "end_time": "2025-04-05T06:41:19.134736Z",
+     "start_time": "2025-04-05T06:41:19.110107Z"
     }
    },
    "source": [
@@ -877,15 +877,15 @@
     "    return df, ret_feature_columns\n"
    ],
    "outputs": [],
-   "execution_count": 38
+   "execution_count": 39
   },
   {
    "cell_type": "code",
    "id": "40e6b68a91b30c79",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:38:27.360168Z",
-     "start_time": "2025-04-04T15:38:26.400810Z"
+     "end_time": "2025-04-05T06:41:19.777294Z",
+     "start_time": "2025-04-05T06:41:19.345116Z"
     }
    },
    "source": [
@@ -1107,30 +1107,30 @@
     "    return df\n"
    ],
    "outputs": [],
-   "execution_count": 39
+   "execution_count": 40
   },
   {
    "cell_type": "code",
    "id": "1c46817a-b5dd-4bec-8bb4-e6e80bfd9d66",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:38:27.370464Z",
-     "start_time": "2025-04-04T15:38:27.360168Z"
+     "end_time": "2025-04-05T06:41:19.789308Z",
+     "start_time": "2025-04-05T06:41:19.781036Z"
     }
    },
    "source": [
     "# print(test_data.head()[['act_factor1', 'act_factor2', 'ts_code', 'trade_date']])"
    ],
    "outputs": [],
-   "execution_count": 40
+   "execution_count": 41
   },
   {
    "cell_type": "code",
    "id": "da2bb202843d9275",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:38:27.480633Z",
-     "start_time": "2025-04-04T15:38:27.463576Z"
+     "end_time": "2025-04-05T06:41:19.912311Z",
+     "start_time": "2025-04-05T06:41:19.898060Z"
     }
    },
    "source": [
@@ -1238,13 +1238,13 @@
     "    return model, scaler, pca"
    ],
    "outputs": [],
-   "execution_count": 41
+   "execution_count": 42
   },
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:39:38.894592Z",
-     "start_time": "2025-04-04T15:38:27.482638Z"
+     "end_time": "2025-04-05T06:42:31.374930Z",
+     "start_time": "2025-04-05T06:41:19.916815Z"
     }
    },
    "cell_type": "code",
@@ -1273,13 +1273,13 @@
    ],
    "id": "ff19e3f1e051a489",
    "outputs": [],
-   "execution_count": 42
+   "execution_count": 43
   },
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:39:51.373402Z",
-     "start_time": "2025-04-04T15:39:38.993074Z"
+     "end_time": "2025-04-05T07:30:52.365563Z",
+     "start_time": "2025-04-05T07:30:24.056106Z"
     }
    },
    "cell_type": "code",
@@ -1293,26 +1293,21 @@
     "    return stock_df\n",
     "\n",
     "\n",
-    "pdf = select_pre_zt_stocks_dynamic(df)\n",
-    "filter_index = pdf['future_return'].between(pdf['future_return'].quantile(0.01), pdf['future_return'].quantile(0.99))\n",
-    "\n",
-    "# filter_index = pdf['future_volatility'].between(pdf['future_volatility'].quantile(0.01),\n",
-    "#                                                 pdf['future_volatility'].quantile(0.99)) | filter_index"
+    "pdf = select_pre_zt_stocks_dynamic(df)\n"
    ],
    "id": "27dba27b2e108316",
    "outputs": [],
-   "execution_count": 43
+   "execution_count": 90
   },
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:39:58.079901Z",
-     "start_time": "2025-04-04T15:39:51.374912Z"
+     "end_time": "2025-04-05T07:30:59.803055Z",
+     "start_time": "2025-04-05T07:30:52.398481Z"
     }
    },
    "cell_type": "code",
    "source": [
-    "\n",
     "pdf = pdf.merge(industry_df, on=['cat_l2_code', 'trade_date'], how='left')\n",
     "pdf = pdf.sort_values(['trade_date'])\n",
     "pdf = pdf.replace([np.inf, -np.inf], np.nan)\n",
@@ -1332,17 +1327,22 @@
     "feature_columns = [col for col in feature_columns if not col.startswith('_')]\n",
     "\n",
     "numeric_columns = pdf.select_dtypes(include=['float64', 'int64']).columns\n",
-    "numeric_columns = [col for col in numeric_columns if col in feature_columns]"
+    "numeric_columns = [col for col in numeric_columns if col in feature_columns]\n",
+    "\n",
+    "filter_index = pdf['future_return'].between(pdf['future_return'].quantile(0.01), pdf['future_return'].quantile(0.99))\n",
+    "\n",
+    "# filter_index = pdf['future_volatility'].between(pdf['future_volatility'].quantile(0.01),\n",
+    "#                                                 pdf['future_volatility'].quantile(0.99)) | filter_index"
    ],
    "id": "ca96fb81e17c4a90",
    "outputs": [],
-   "execution_count": 44
+   "execution_count": 91
   },
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:46:05.915307Z",
-     "start_time": "2025-04-04T15:39:58.224302Z"
+     "end_time": "2025-04-05T07:39:49.969268Z",
+     "start_time": "2025-04-05T07:31:59.114752Z"
     }
    },
    "cell_type": "code",
@@ -1372,15 +1372,15 @@
      ]
     }
    ],
-   "execution_count": 45
+   "execution_count": 94
   },
   {
    "cell_type": "code",
    "id": "92428d543f4727ad",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T15:46:06.774220Z",
-     "start_time": "2025-04-04T15:46:06.034832Z"
+     "end_time": "2025-04-05T07:39:50.919921Z",
+     "start_time": "2025-04-05T07:39:50.113927Z"
     }
    },
    "source": [
@@ -1423,20 +1423,20 @@
        "0"
       ]
      },
-     "execution_count": 46,
+     "execution_count": 95,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
-   "execution_count": 46
+   "execution_count": 95
   },
   {
    "cell_type": "code",
    "id": "8f134d435f71e9e2",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T16:14:31.207013Z",
-     "start_time": "2025-04-04T16:14:31.026574Z"
+     "end_time": "2025-04-05T07:39:51.139062Z",
+     "start_time": "2025-04-05T07:39:50.929426Z"
     }
    },
    "source": [
@@ -1518,19 +1518,11 @@
     "#\n",
     "#     final_predictions = pd.concat(predictions_list, ignore_index=True)\n",
     "#     return final_predictions\n",
-    "from joblib import Parallel, delayed\n",
-    "import threading\n",
-    "from queue import Queue\n",
+    "\n",
+    "from concurrent.futures import ThreadPoolExecutor\n",
     "\n",
     "\n",
-    "def worker(df, train_days, test_days, feature_columns_origin, unique_dates, start, filter_index, results_queue,\n",
-    "           validation_days):\n",
-    "    train_dates = unique_dates[start: start + train_days]\n",
-    "    test_dates = unique_dates[start + train_days: start + train_days + test_days]\n",
-    "\n",
-    "    train_data = df[filter_index & df['trade_date'].isin(train_dates)].copy()\n",
-    "    test_data = df[df['trade_date'].isin(test_dates)].copy()\n",
-    "\n",
+    "def worker(train_data, test_data , train_days, test_days, feature_columns_origin, unique_dates, start, filter_index, validation_days):\n",
     "    train_data = train_data.sort_values('trade_date')\n",
     "    test_data = test_data.sort_values('trade_date')\n",
     "\n",
@@ -1568,39 +1560,40 @@
     "    if not score_df.empty:\n",
     "        score_df = score_df.loc[score_df.groupby('trade_date')['score'].idxmax()]\n",
     "        score_df = score_df[['trade_date', 'score', 'ts_code']]\n",
-    "        results_queue.put(score_df)\n",
-    "\n",
+    "        return score_df\n",
+    "    return None\n",
     "\n",
     "def rolling_train_predict(df, train_days, test_days, feature_columns_origin, days=5, use_pca=False,\n",
     "                                        validation_days=60, filter_index=None, num_threads=4):\n",
-    "    unique_dates = df[df['trade_date'] >= '2020-01-01']['trade_date'].unique().tolist()\n",
+    "    unique_dates = df['trade_date'].unique().tolist()\n",
     "    unique_dates = sorted(unique_dates)\n",
     "    n = len(unique_dates)\n",
     "    extra_days = (n - train_days) % test_days\n",
     "    start_index = extra_days\n",
     "\n",
-    "    predictions_queue = Queue()\n",
-    "    threads = []\n",
-    "\n",
-    "    for start in range(start_index, n - train_days - test_days + 1, test_days):\n",
-    "        thread = threading.Thread(target=worker,\n",
-    "                                  args=(df, train_days, test_days, feature_columns_origin,\n",
-    "                                        unique_dates, start, filter_index, predictions_queue, validation_days))\n",
-    "        threads.append(thread)\n",
-    "        thread.start()\n",
-    "\n",
-    "    for thread in threads:\n",
-    "        thread.join()\n",
-    "\n",
     "    predictions_list = []\n",
-    "    while not predictions_queue.empty():\n",
-    "        predictions_list.append(predictions_queue.get())\n",
+    "    with ThreadPoolExecutor(max_workers=num_threads) as executor:\n",
+    "        futures = []\n",
+    "        for start in range(start_index, n - train_days - test_days + 1, test_days):\n",
+    "            train_dates = unique_dates[start: start + train_days]\n",
+    "            test_dates = unique_dates[start + train_days: start + train_days + test_days]\n",
+    "\n",
+    "            train_data = df[filter_index & df['trade_date'].isin(train_dates)].copy()\n",
+    "            test_data = df[df['trade_date'].isin(test_dates)].copy()\n",
+    "            future = executor.submit(worker, train_data, test_data, train_days, test_days, feature_columns_origin,\n",
+    "                                     unique_dates, start, filter_index, validation_days)\n",
+    "            futures.append(future)\n",
+    "\n",
+    "        for future in futures:\n",
+    "            result = future.result()\n",
+    "            if result is not None:\n",
+    "                predictions_list.append(result)\n",
     "\n",
     "    final_predictions = pd.concat(predictions_list, ignore_index=True)\n",
     "    return final_predictions\n"
    ],
    "outputs": [],
-   "execution_count": 56
+   "execution_count": 96
   },
   {
    "cell_type": "code",
@@ -1613,8 +1606,8 @@
     },
     "tags": [],
     "ExecuteTime": {
-     "end_time": "2025-04-04T16:19:42.845417Z",
-     "start_time": "2025-04-04T16:14:31.207013Z"
+     "end_time": "2025-04-05T07:43:21.468668Z",
+     "start_time": "2025-04-05T07:39:51.194396Z"
     }
    },
    "source": [
@@ -1637,1623 +1630,1623 @@
       "         act_factor1  act_factor2\n",
       "5115129    -0.222482    -0.256946\n",
       "finish\n",
-      "原始训练集大小:  1709\n",
-      "划分后的训练集大小: 1709, 验证集大小: 327\n",
-      "原始训练集大小:  1710\n",
-      "划分后的训练集大小: 1710, 验证集大小: 371\n",
-      "原始训练集大小:  1707\n",
-      "划分后的训练集大小: 1707, 验证集大小: 344\n",
-      "原始训练集大小:  1722\n",
-      "划分后的训练集大小: 1722, 验证集大小: 340\n",
-      "原始训练集大小:  1709\n",
-      "原始训练集大小:  1696\n",
-      "划分后的训练集大小: 1709, 验证集大小: 366划分后的训练集大小: 1696, 验证集大小: 298\n",
-      "\n",
-      "原始训练集大小:  1712\n",
-      "原始训练集大小:  1699\n",
-      "划分后的训练集大小: 1699, 验证集大小: 356\n",
-      "原始训练集大小:  1727\n",
-      "划分后的训练集大小: 1712, 验证集大小: 345\n",
-      "划分后的训练集大小: 1727, 验证集大小: 326\n",
-      "原始训练集大小:  1700\n",
-      "原始训练集大小:  1708\n",
-      "原始训练集大小:  1728\n",
-      "划分后的训练集大小: 1728, 验证集大小: 367\n",
-      "原始训练集大小:  1705\n",
-      "划分后的训练集大小: 1708, 验证集大小: 325划分后的训练集大小: 1700, 验证集大小: 383\n",
-      "划分后的训练集大小: 1705, 验证集大小: 348\n",
-      "\n",
-      "原始训练集大小:  1746\n",
-      "划分后的训练集大小: 1746, 验证集大小: 363\n",
-      "原始训练集大小:  1723\n",
-      "划分后的训练集大小: 1723, 验证集大小: 362\n",
-      "原始训练集大小:  1705\n",
-      "划分后的训练集大小: 1705, 验证集大小: 330\n",
-      "原始训练集大小:  1696\n",
-      "划分后的训练集大小: 1696, 验证集大小: 354\n",
-      "原始训练集大小:  1662\n",
-      "划分后的训练集大小: 1662, 验证集大小: 310\n",
-      "原始训练集大小:  1736\n",
-      "划分后的训练集大小: 1736, 验证集大小: 359\n",
-      "原始训练集大小:  1702\n",
-      "原始训练集大小:  1705\n",
-      "划分后的训练集大小: 1702, 验证集大小: 308\n",
-      "划分后的训练集大小: 1705, 验证集大小: 342\n",
-      "原始训练集大小:  1684\n",
-      "划分后的训练集大小: 1684, 验证集大小: 338\n",
-      "原始训练集大小:  1718\n",
-      "划分后的训练集大小: 1718, 验证集大小: 330\n",
-      "原始训练集大小:  1713\n",
-      "划分后的训练集大小: 1713, 验证集大小: 328\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      " 1687\n",
-      "原始训练集大小:  1679\n",
-      "划分后的训练集大小: 1687, 验证集大小: 341\n",
-      "划分后的训练集大小: 1679, 验证集大小: 342\n",
-      "原始训练集大小:  1709\n",
-      "原始训练集大小:  1684\n",
-      "划分后的训练集大小: 1709, 验证集大小: 374\n",
-      "划分后的训练集大小: 1684, 验证集大小: 302\n",
-      "原始训练集大小:  1716\n",
-      "划分后的训练集大小: 1716, 验证集大小: 322\n",
-      "原始训练集大小:  1723\n",
-      "划分后的训练集大小: 1723, 验证集大小: 325\n",
-      "原始训练集大小:  1679\n",
-      "划分后的训练集大小: 1679, 验证集大小: 325\n",
-      "原始训练集大小:  1746\n",
-      "原始训练集大小:  1689\n",
-      "原始训练集大小:  1683\n",
-      "划分后的训练集大小: 1746, 验证集大小: 366\n",
-      "划分后的训练集大小: 1689, 验证集大小: 358\n",
-      "原始训练集大小:  1699\n",
-      "划分后的训练集大小: 1683, 验证集大小: 355\n",
-      "划分后的训练集大小: 1699, 验证集大小: 358\n",
-      "原始训练集大小:  1703\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1703, 验证集大小: 347\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1704\n",
-      "原始训练集大小:  1663\n",
-      "划分后的训练集大小: 1663, 验证集大小: 349\n",
-      "划分后的训练集大小: 1704, 验证集大小: 349[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.81\n",
-      "原始训练集大小:  1700\n",
-      "\n",
-      "原始训练集大小:  1678\n",
-      "原始训练集大小:  1716\n",
-      "划分后的训练集大小: 1678, 验证集大小: 326\n",
-      "划分后的训练集大小: 1716, 验证集大小: 352[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "\n",
-      "划分后的训练集大小: 1700, 验证集大小: 346\n",
-      "原始训练集大小:  1723\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1原始训练集大小:  1688\n",
-      "原始训练集大小:  1699\n",
-      "划分后的训练集大小: 1723, 验证集大小: 353\n",
-      "\n",
-      "划分后的训练集大小: 1688, 验证集大小: 345\n",
-      "原始训练集大小:  1676\n",
-      "原始训练集大小:  1677\n",
-      "划分后的训练集大小: 1699, 验证集大小: 343\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1676, 验证集大小: 355\n",
-      "划分后的训练集大小: 1677, 验证集大小: 319\n",
-      "原始训练集大小:  1644\n",
-      "划分后的训练集大小: 1644, 验证集大小: 328\n",
-      "原始训练集大小:  1724\n",
-      "原始训练集大小:  1692\n",
-      "划分后的训练集大小: 1692, 验证集大小: 327\n",
-      "原始训练集大小: 原始训练集大小:  1723\n",
-      "原始训练集大小:  1700\n",
-      "划分后的训练集大小: 1724, 验证集大小: 379\n",
-      " 1674\n",
-      "划分后的训练集大小: 1723, 验证集大小: 327\n",
-      "原始训练集大小:  1696\n",
-      "划分后的训练集大小: 1674, 验证集大小: 327\n",
-      "划分后的训练集大小: 1700, 验证集大小: 366\n",
-      "原始训练集大小:  1678\n",
-      "划分后的训练集大小: 1696, 验证集大小: 353\n",
-      "划分后的训练集大小: 1678, 验证集大小: 291原始训练集大小:  1721\n",
-      "\n",
-      "划分后的训练集大小: 1721, 验证集大小: 339\n",
-      "原始训练集大小: 原始训练集大小:  1728\n",
-      " 1679\n",
-      "原始训练集大小:  1665\n",
-      "划分后的训练集大小: 1679, 验证集大小: 308\n",
-      "划分后的训练集大小: 1665, 验证集大小: 325\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1728, 验证集大小: 336\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1679\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1727\n",
-      "原始训练集大小:  1713\n",
-      "划分后的训练集大小: 1679, 验证集大小: 331\n",
-      "划分后的训练集大小: 1727, 验证集大小: 337\n",
-      "原始训练集大小:  1694\n",
-      "划分后的训练集大小: 1713, 验证集大小: 325\n",
-      "原始训练集大小:  1693\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1694, 验证集大小: 367\n",
-      "原始训练集大小:  1745\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1693, 验证集大小: 364\n",
-      "原始训练集大小:  1715\n",
-      "划分后的训练集大小: 1745, 验证集大小: 371\n",
-      "划分后的训练集大小: 1715, 验证集大小: 353\n",
-      "[100]\ttrain's ndcg@1: 0.9065\tvalid's ndcg@1: 0.81\n",
-      "原始训练集大小:  1701\n",
-      "原始训练集大小:  1683\n",
-      "划分后的训练集大小: 1701, 验证集大小: 339\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1683, 验证集大小: 370\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1729\n",
-      "原始训练集大小: 划分后的训练集大小: 1729, 验证集大小: 315\n",
-      " 1674\n",
-      "划分后的训练集大小: 1674, 验证集大小: 323\n",
-      "原始训练集大小:  1678\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1685\n",
-      "划分后的训练集大小: 1678, 验证集大小: 344\n",
-      "原始训练集大小:  1567\n",
-      "划分后的训练集大小: 1567, 验证集大小: 345\n",
-      "划分后的训练集大小: 1685, 验证集大小: 329\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1557\n",
-      "原始训练集大小:  1656\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1669\n",
-      "划分后的训练集大小: 1557, 验证集大小: 347\n",
-      "原始训练集大小:  1728\n",
-      "划分后的训练集大小: 1656, 验证集大小: 294\n",
-      "原始训练集大小:  1701\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1640\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1669, 验证集大小: 309\n",
-      "划分后的训练集大小: 1701, 验证集大小: 308\n",
-      "划分后的训练集大小: 1728, 验证集大小: 345\n",
-      "划分后的训练集大小: 1640, 验证集大小: 339\n",
-      "原始训练集大小:  1697\n",
-      "原始训练集大小:  1676\n",
-      "原始训练集大小:  1509\n",
-      "原始训练集大小:  1699\n",
-      "划分后的训练集大小: 1676, 验证集大小: 314\n",
-      "原始训练集大小:  1687\n",
-      "划分后的训练集大小: 1697, 验证集大小: 301\n",
-      "划分后的训练集大小: 1509, 验证集大小: 286\n",
-      "原始训练集大小:  1713\n",
-      "划分后的训练集大小: 1699, 验证集大小: 325\n",
-      "原始训练集大小:  1671\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.81\n",
-      "原始训练集大小:  1667\n",
-      "原始训练集大小:  1705\n",
-      "划分后的训练集大小: 1705, 验证集大小: 371\n",
-      "划分后的训练集大小: 1687, 验证集大小: 354\n",
-      "划分后的训练集大小: 1667, 验证集大小: 335\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1671, 验证集大小: 298\n",
-      "原始训练集大小:  1664\n",
-      "原始训练集大小:  1620\n",
-      "划分后的训练集大小: 1713, 验证集大小: 333\n",
-      "原始训练集大小:  1675\n",
-      "划分后的训练集大小: 1664, 验证集大小: 316\n",
-      "划分后的训练集大小: 1620, 验证集大小: 333\n",
-      "划分后的训练集大小: 1675, 验证集大小: 354\n",
-      "原始训练集大小:  1596\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1697\n",
-      "划分后的训练集大小: 1596, 验证集大小: 294\n",
-      "原始训练集大小:  1082\n",
-      "划分后的训练集大小: 1082, 验证集大小: 309\n",
-      "原始训练集大小:  1762\n",
-      "划分后的训练集大小: 1697, 验证集大小: 342原始训练集大小:  1533\n",
-      "划分后的训练集大小: 1533, 验证集大小: 324\n",
-      "划分后的训练集大小: 1762, 验证集大小: 351\n",
-      "\n",
-      "原始训练集大小:  1636\n",
-      "原始训练集大小:  1483\n",
-      "原始训练集大小:  1693\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1636, 验证集大小: 261\n",
-      "原始训练集大小:  1689\n",
-      "划分后的训练集大小: 1483, 验证集大小: 199\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1729\n",
-      "划分后的训练集大小: 1689, 验证集大小: 343\n",
-      "原始训练集大小:  1720\n",
-      "原始训练集大小:  1713\n",
-      "原始训练集大小: 划分后的训练集大小: 1729, 验证集大小: 388\n",
-      " 1655\n",
-      "划分后的训练集大小: 1693, 验证集大小: 351\n",
-      "划分后的训练集大小: 1655, 验证集大小: 343\n",
-      "划分后的训练集大小: 1720, 验证集大小: 333\n",
-      "原始训练集大小:  1519\n",
-      "原始训练集大小:  1719\n",
-      "原始训练集大小:  1690\n",
-      "原始训练集大小:  1655\n",
-      "划分后的训练集大小: 1690, 验证集大小: 315\n",
-      "划分后的训练集大小: 1519, 验证集大小: 308划分后的训练集大小: 1655, 验证集大小: 282\n",
-      "原始训练集大小:  1659\n",
-      "划分后的训练集大小: 1713, 验证集大小: 310\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1719, 验证集大小: 362\n",
-      "原始训练集大小:  1641\n",
-      "原始训练集大小:  1672\n",
-      "划分后的训练集大小: 1641, 验证集大小: 314\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1659, 验证集大小: 349\n",
-      "原始训练集大小:  1690\n",
-      "划分后的训练集大小: 1672, 验证集大小: 272\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1749\n",
-      "划分后的训练集大小: 1749, 验证集大小: 397\n",
-      "划分后的训练集大小: 1690, 验证集大小: 306\n",
-      "原始训练集大小:  1623\n",
-      "原始训练集大小:  1637\n",
-      "划分后的训练集大小: 1623, 验证集大小: 297\n",
-      "划分后的训练集大小: 1637, 验证集大小: 334原始训练集大小:  1599\n",
-      "原始训练集大小:  1666\n",
-      "\n",
-      "原始训练集大小:  1635\n",
-      "原始训练集大小:  1688\n",
-      "原始训练集大小:  1672\n",
-      "划分后的训练集大小: 1666, 验证集大小: 320\n",
-      "划分后的训练集大小: 1599, 验证集大小: 316\n",
-      "划分后的训练集大小: 1635, 验证集大小: 312\n",
-      "原始训练集大小:  1610\n",
-      "划分后的训练集大小: 1672, 验证集大小: 316\n",
-      "原始训练集大小:  1649\n",
-      "划分后的训练集大小: 1610, 验证集大小: 345\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1649, 验证集大小: 349\n",
-      "划分后的训练集大小: 1688, 验证集大小: 356\n",
-      "原始训练集大小:  1671\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1671, 验证集大小: 349\n",
-      "原始训练集大小:  1666\n",
-      "原始训练集大小:  1669\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1634\n",
-      "原始训练集大小:  1652\n",
-      "划分后的训练集大小: 1666, 验证集大小: 292\n",
-      "划分后的训练集大小: 1652, 验证集大小: 300\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小: 划分后的训练集大小: 1634, 验证集大小: 354\n",
-      "划分后的训练集大小: 1669, 验证集大小: 324\n",
-      " 1614\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1695\n",
-      "划分后的训练集大小: 1695, 验证集大小: 323\n",
-      "划分后的训练集大小: 1614, 验证集大小: 300\n",
-      "原始训练集大小:  1692\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1692, 验证集大小: 331\n",
-      "原始训练集大小:  1472\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1699\n",
-      "[100]\ttrain's ndcg@1: 0.9055\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1632\n",
-      "原始训练集大小:  1683\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1472, 验证集大小: 322\n",
-      "划分后的训练集大小: 1699, 验证集大小: 368\n",
-      "划分后的训练集大小: 1632, 验证集大小: 319\n",
-      "划分后的训练集大小: 1683, 验证集大小: 330\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1660\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1626\n",
-      "原始训练集大小:  1745\n",
-      "划分后的训练集大小: 1660, 验证集大小: 352\n",
-      "划分后的训练集大小: 1626, 验证集大小: 361\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1700\n",
-      "划分后的训练集大小: 1745, 验证集大小: 343\n",
-      "划分后的训练集大小: 1700, 验证集大小: 360\n",
-      "原始训练集大小:  1665\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1划分后的训练集大小: 1665, 验证集大小: 301\n",
-      "\n",
-      "原始训练集大小:  1638\n",
-      "原始训练集大小:  1589\n",
-      "划分后的训练集大小: 1638, 验证集大小: 341\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1589, 验证集大小: 340\n",
-      "原始训练集大小:  1637\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      " 1625\n",
-      "原始训练集大小:  1659\n",
-      "原始训练集大小:  1744\n",
-      "划分后的训练集大小: 1637, 验证集大小: 272\n",
-      "划分后的训练集大小: 1744, 验证集大小: 350\n",
-      "划分后的训练集大小: 1625, 验证集大小: 332\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1659, 验证集大小: 323\n",
-      "原始训练集大小:  1678\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1666\n",
-      "划分后的训练集大小: 1678, 验证集大小: 340\n",
-      "原始训练集大小:  1694\n",
-      "原始训练集大小:  1705\n",
-      "划分后的训练集大小: 1694, 验证集大小: 382\n",
-      "划分后的训练集大小: 1666, 验证集大小: 369\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1705, 验证集大小: 376\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1原始训练集大小:  1649\n",
-      "\n",
-      "原始训练集大小:  1710\n",
-      "原始训练集大小:  1708\n",
-      "原始训练集大小:  1604\n",
-      "原始训练集大小:  1577\n",
-      "原始训练集大小:  1692\n",
-      "划分后的训练集大小: 1649, 验证集大小: 282\n",
-      "划分后的训练集大小: 1710, 验证集大小: 324\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1604, 验证集大小: 357\n",
-      "原始训练集大小:  1704\n",
-      "划分后的训练集大小: 1577, 验证集大小: 317\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1692, 验证集大小: 337\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.9025原始训练集大小:  1620\n",
-      "划分后的训练集大小: 1708, 验证集大小: 373\n",
-      "\n",
-      "划分后的训练集大小: 1620, 验证集大小: 307\n",
-      "划分后的训练集大小: 1704, 验证集大小: 408\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1217\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1665\n",
-      "原始训练集大小:  1680\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1665, 验证集大小: 389原始训练集大小:  1711\n",
-      "\n",
-      "划分后的训练集大小: 1680, 验证集大小: 337\n",
-      "原始训练集大小:  1645\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1645, 验证集大小: 335\n",
-      "划分后的训练集大小: 1217, 验证集大小: 334\n",
-      "原始训练集大小:  1601\n",
-      "原始训练集大小:  1668\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1601, 验证集大小: 336\n",
-      "原始训练集大小: 划分后的训练集大小: 1711, 验证集大小: 377\n",
-      "划分后的训练集大小: 1668, 验证集大小: 317\n",
-      " 1541\n",
-      "原始训练集大小:  1666\n",
-      "划分后的训练集大小: 1541, 验证集大小: 268\n",
-      "原始训练集大小: 原始训练集大小:  1667\n",
-      " 1679\n",
-      "原始训练集大小:  1619\n",
-      "划分后的训练集大小: 1666, 验证集大小: 279\n",
-      "划分后的训练集大小: 1667, 验证集大小: 361\n",
-      "[100]\ttrain's ndcg@1: 0.924\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1599\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1679, 验证集大小: 383\n",
-      "原始训练集大小:  1393\n",
-      "划分后的训练集大小: 1599, 验证集大小: 358\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1619, 验证集大小: 351\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1346\n",
-      "划分后的训练集大小: 1393, 验证集大小: 300\n",
-      "原始训练集大小:  1610\n",
-      "划分后的训练集大小: 1346, 验证集大小: 124\n",
-      "原始训练集大小:  1565\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1628\n",
-      "[100]\ttrain's ndcg@1: 0.9085\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1610, 验证集大小: 339\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1565, 验证集大小: 307\n",
-      "划分后的训练集大小: 1628, 验证集大小: 312\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1原始训练集大小:  1647\n",
-      "\n",
-      "划分后的训练集大小: 1647, 验证集大小: 250\n",
-      "原始训练集大小:  1692\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1原始训练集大小:  1672\n",
-      "\n",
-      "原始训练集大小:  1630\n",
-      "原始训练集大小:  1706\n",
-      "划分后的训练集大小: 1692, 验证集大小: 328\n",
-      "划分后的训练集大小: 1672, 验证集大小: 387\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1630, 验证集大小: 329\n",
-      "原始训练集大小:  1634\n",
-      "划分后的训练集大小: 1706, 验证集大小: 369\n",
-      "原始训练集大小:  1682\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1682, 验证集大小: 343\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1划分后的训练集大小: 1634, 验证集大小: 303\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1678\n",
-      "原始训练集大小:  1646\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1653\n",
-      "原始训练集大小:  1045\n",
-      "原始训练集大小:  1648\n",
-      "划分后的训练集大小: 1678, 验证集大小: 336\n",
-      "划分后的训练集大小: 1646, 验证集大小: 341\n",
-      "划分后的训练集大小: 1648, 验证集大小: 279\n",
-      "划分后的训练集大小: 1653, 验证集大小: 370划分后的训练集大小: 1045, 验证集大小: 330\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 0.81[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1558\n",
-      "原始训练集大小:  1722\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1558, 验证集大小: 257\n",
-      "原始训练集大小:  1628\n",
-      "划分后的训练集大小: 1722, 验证集大小: 380\n",
-      "划分后的训练集大小: 1628, 验证集大小: 352\n",
-      "原始训练集大小:  1668\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1677\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1112\n",
-      "原始训练集大小:  1637\n",
-      "划分后的训练集大小: 1112, 验证集大小: 120\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1668, 验证集大小: 302\n",
-      "划分后的训练集大小: 1677, 验证集大小: 283\n",
-      "划分后的训练集大小: 1637, 验证集大小: 284\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1606\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1620\n",
-      "[100]\ttrain's ndcg@1: 0.925\tvalid's ndcg@1: 0.7225\n",
-      "原始训练集大小:  1687\n",
-      "划分后的训练集大小: 1606, 验证集大小: 310\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      " 1702\n",
-      "划分后的训练集大小: 1687, 验证集大小: 316\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1702, 验证集大小: 339\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1620, 验证集大小: 349\n",
-      " 1666\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1656\n",
-      "原始训练集大小:  1635\n",
-      "原始训练集大小:  1683\n",
-      "划分后的训练集大小: 1666, 验证集大小: 325\n",
-      "划分后的训练集大小: 1635, 验证集大小: 343\n",
-      "划分后的训练集大小: 1656, 验证集大小: 318\n",
-      "原始训练集大小:  1618\n",
-      "[100]\ttrain's ndcg@1: 0.9445\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1683, 验证集大小: 373\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1634\n",
-      "划分后的训练集大小: 1618, 验证集大小: 300\n",
-      "原始训练集大小:  1576\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1576, 验证集大小: 296\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1634, 验证集大小: 338\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1642\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1原始训练集大小:  1680\n",
-      "原始训练集大小:  1638\n",
-      "\n",
-      "划分后的训练集大小: 1642, 验证集大小: 314\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1657\n",
-      "划分后的训练集大小: 1680, 验证集大小: 334\n",
-      "划分后的训练集大小: 1638, 验证集大小: 346\n",
-      "划分后的训练集大小: 1657, 验证集大小: 316\n",
-      "原始训练集大小:  1602\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1628\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1602, 验证集大小: 329\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1661\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1原始训练集大小:  1637\n",
-      "\n",
-      "划分后的训练集大小: 1628, 验证集大小: 326\n",
-      "原始训练集大小:  1674\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1716\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1650\n",
-      "划分后的训练集大小: 1716, 验证集大小: 397\n",
-      "划分后的训练集大小: 1661, 验证集大小: 329\n",
-      "原始训练集大小:  1637\n",
-      "划分后的训练集大小: 1637, 验证集大小: 270\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025原始训练集大小:  1696\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "\n",
-      "原始训练集大小:  1614\n",
-      "划分后的训练集大小: 1674, 验证集大小: 380\n",
-      "划分后的训练集大小: 1637, 验证集大小: 298\n",
-      "原始训练集大小:  1651\n",
-      "原始训练集大小:  1688\n",
-      "划分后的训练集大小: 1696, 验证集大小: 367\n",
-      "划分后的训练集大小: 1651, 验证集大小: 365[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "\n",
-      "划分后的训练集大小: 1650, 验证集大小: 294\n",
-      "划分后的训练集大小: 1614, 验证集大小: 334\n",
-      "[100]\ttrain's ndcg@1: 0.925\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1688, 验证集大小: 281\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1667\n",
-      "划分后的训练集大小: 1667, 验证集大小: 359\n",
-      "原始训练集大小:  1696\n",
-      "原始训练集大小:  1689\n",
-      "原始训练集大小:  1686\n",
-      "划分后的训练集大小: 1696, 验证集大小: 339\n",
-      "划分后的训练集大小: 1686, 验证集大小: 364\n",
-      "原始训练集大小:  1648\n",
-      "原始训练集大小: 原始训练集大小:  1681\n",
-      " 1633\n",
-      "划分后的训练集大小: 1648, 验证集大小: 298\n",
-      "划分后的训练集大小: 1689, 验证集大小: 384\n",
-      "原始训练集大小:  1644\n",
-      "划分后的训练集大小: 1633, 验证集大小: 313\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1644, 验证集大小: 330\n",
-      "原始训练集大小:  1650\n",
-      "划分后的训练集大小: 1650, 验证集大小: 341\n",
-      "原始训练集大小:  1626\n",
-      "划分后的训练集大小: 1681, 验证集大小: 309\n",
-      "原始训练集大小:  1659\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1659, 验证集大小: 330\n",
-      "划分后的训练集大小: 1626, 验证集大小: 307\n",
-      "原始训练集大小:  1606\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1648\n",
-      "划分后的训练集大小: 1606, 验证集大小: 299\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1681\n",
-      "划分后的训练集大小: 1648, 验证集大小: 295\n",
-      "划分后的训练集大小: 1681, 验证集大小: 330\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      " 1648\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1630\n",
-      "划分后的训练集大小: 1648, 验证集大小: 343\n",
-      "原始训练集大小:  1621\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1630, 验证集大小: 350\n",
-      "[100]\ttrain's ndcg@1: 0.9445\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1621, 验证集大小: 362\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      " 1652\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1652, 验证集大小: 347\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9035\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1659\n",
-      "[100]\ttrain's ndcg@1: 0.925\tvalid's ndcg@1: 0.7225\n",
-      "原始训练集大小:  1696\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1659, 验证集大小: 343\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.81\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9445\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1696, 验证集大小: 357\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1689\n",
-      " 1688\n",
-      "原始训练集大小:  1672\n",
-      "原始训练集大小:  1632\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1689, 验证集大小: 341\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1716\n",
-      "划分后的训练集大小: 1688, 验证集大小: 348\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1671\n",
-      "[100]\ttrain's ndcg@1: 0.924\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1672, 验证集大小: 313\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1671, 验证集大小: 329\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1632, 验证集大小: 309\n",
-      "划分后的训练集大小: 1716, 验证集大小: 420\n",
-      "原始训练集大小:  1646\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1663\n",
-      "划分后的训练集大小: 1646, 验证集大小: 308\n",
-      "原始训练集大小:  1636\n",
-      "原始训练集大小:  1688\n",
-      "原始训练集大小:  1666\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1663, 验证集大小: 339\n",
-      "原始训练集大小:  1692\n",
-      "原始训练集大小:  1619\n",
-      "原始训练集大小:  1682\n",
-      "划分后的训练集大小: 1688, 验证集大小: 303\n",
-      "划分后的训练集大小: 1666, 验证集大小: 315\n",
-      "划分后的训练集大小: 1636, 验证集大小: 303\n",
-      "划分后的训练集大小: 1619, 验证集大小: 333\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1659\n",
-      "划分后的训练集大小: 1692, 验证集大小: 331\n",
-      "划分后的训练集大小: 1682, 验证集大小: 337\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1677\n",
-      "原始训练集大小:  1725\n",
-      "原始训练集大小:  1646\n",
-      "划分后的训练集大小: 1659, 验证集大小: 349\n",
-      "划分后的训练集大小: 1677, 验证集大小: 335\n",
-      "原始训练集大小:  1687\n",
-      "原始训练集大小:  1697\n",
-      "原始训练集大小:  1654\n",
-      "划分后的训练集大小: 1725, 验证集大小: 350\n",
-      "原始训练集大小:  1683\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1654, 验证集大小: 333划分后的训练集大小: 1697, 验证集大小: 340\n",
-      "\n",
-      "原始训练集大小:  1667\n",
-      "划分后的训练集大小: 1687, 验证集大小: 296\n",
-      "原始训练集大小:  1661\n",
-      "原始训练集大小:  1626\n",
-      "划分后的训练集大小: 1646, 验证集大小: 286\n",
-      "划分后的训练集大小: 1626, 验证集大小: 338\n",
-      "划分后的训练集大小: 1667, 验证集大小: 344\n",
-      "划分后的训练集大小: 1661, 验证集大小: 324\n",
-      "原始训练集大小:  1630\n",
-      "原始训练集大小:  1714\n",
-      "划分后的训练集大小: 1683, 验证集大小: 378\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1630, 验证集大小: 326\n",
-      "划分后的训练集大小: 1714, 验证集大小: 345原始训练集大小:  1645\n",
-      "\n",
-      "划分后的训练集大小: 1645, 验证集大小: 338\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1647\n",
-      "划分后的训练集大小: 1647, 验证集大小: 325\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "\n",
-      "原始训练集大小:  1642\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1688\n",
-      "划分后的训练集大小: 1688, 验证集大小: 320\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1642, 验证集大小: 320\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1700\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1627\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1700, 验证集大小: 344\n",
-      "[100]\ttrain's ndcg@1: 0.925\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1627, 验证集大小: 308\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1635\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1635, 验证集大小: 303\n",
-      "原始训练集大小:  1663\n",
-      "原始训练集大小:  1668\n",
-      "原始训练集大小:  1686\n",
-      "划分后的训练集大小: 1668, 验证集大小: 333\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1663, 验证集大小: 347\n",
-      "划分后的训练集大小: 1686, 验证集大小: 264\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1618\n",
-      "原始训练集大小:  1670\n",
-      "划分后的训练集大小: 1618, 验证集大小: 337\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1620\n",
-      "划分后的训练集大小: 1670, 验证集大小: 327\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9445\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9045\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1696\n",
-      "划分后的训练集大小: 1620, 验证集大小: 318\n",
-      "[100]\ttrain's ndcg@1: 0.9055\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1746\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1696, 验证集大小: 300\n",
-      "原始训练集大小:  1730\n",
-      "划分后的训练集大小: 1746, 验证集大小: 344\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1617\n",
-      "划分后的训练集大小: 1730, 验证集大小: 356\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1758\n",
-      "划分后的训练集大小: 1617, 验证集大小: 338\n",
-      "划分后的训练集大小: 1758, 验证集大小: 382\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "\n",
-      "原始训练集大小:  1672\n",
-      "原始训练集大小:  1662\n",
-      "原始训练集大小:  1647\n",
-      "原始训练集大小:  1668\n",
-      "划分后的训练集大小: 1662, 验证集大小: 353\n",
-      "划分后的训练集大小: 1672, 验证集大小: 356\n",
-      "划分后的训练集大小: 1647, 验证集大小: 317\n",
-      "原始训练集大小:  1705\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1668, 验证集大小: 346\n",
-      "划分后的训练集大小: 1705, 验证集大小: 343\n",
-      "原始训练集大小:  1644\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1670\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1644, 验证集大小: 309\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "\n",
-      "原始训练集大小:  1664\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1670, 验证集大小: 356\n",
-      "划分后的训练集大小: 1664, 验证集大小: 303\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      " 1677\n",
-      "原始训练集大小:  1690\n",
-      "原始训练集大小:  1702\n",
-      "划分后的训练集大小: 1677, 验证集大小: 357\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      " 1698\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1669\n",
-      "原始训练集大小:  1737\n",
-      "划分后的训练集大小: 1690, 验证集大小: 339\n",
-      "划分后的训练集大小: 1698, 验证集大小: 338\n",
-      "原始训练集大小:  1670\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1747\n",
-      "划分后的训练集大小: 1737, 验证集大小: 384\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1702, 验证集大小: 353\n",
-      "原始训练集大小:  1718\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1715\n",
-      "划分后的训练集大小: 1669, 验证集大小: 356\n",
-      "原始训练集大小:  1700\n",
-      "划分后的训练集大小: 1747, 验证集大小: 354\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1718, 验证集大小: 352\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1715, 验证集大小: 340\n",
-      "划分后的训练集大小: 1670, 验证集大小: 316\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1692\n",
-      "划分后的训练集大小: 1700, 验证集大小: 329[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1695\n",
-      "\n",
-      "划分后的训练集大小: 1692, 验证集大小: 351\n",
-      "原始训练集大小:  1645\n",
-      "原始训练集大小:  1704\n",
-      "划分后的训练集大小: 1695, 验证集大小: 354\n",
-      "划分后的训练集大小: 1645, 验证集大小: 280\n",
-      "原始训练集大小:  1690\n",
-      "原始训练集大小:  1736\n",
-      "划分后的训练集大小: 1704, 验证集大小: 353\n",
-      "原始训练集大小:  1714\n",
-      "划分后的训练集大小: 1736, 验证集大小: 327\n",
-      "划分后的训练集大小: 1714, 验证集大小: 315\n",
-      "原始训练集大小:  1729\n",
-      "划分后的训练集大小: 1690, 验证集大小: 370\n",
-      "原始训练集大小:  1731\n",
-      "原始训练集大小:  1721\n",
-      "划分后的训练集大小: 1729, 验证集大小: 394\n",
-      "原始训练集大小:  1756\n",
-      "划分后的训练集大小: 1721, 验证集大小: 330\n",
-      "划分后的训练集大小: 1756, 验证集大小: 386\n",
-      "原始训练集大小: 划分后的训练集大小: 1731, 验证集大小: 348\n",
-      " 1696\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1669\n",
-      "划分后的训练集大小: 1696, 验证集大小: 305\n",
-      "划分后的训练集大小: 1669, 验证集大小: 301\n",
-      "原始训练集大小:  1714\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1710\n",
-      "[100]\ttrain's ndcg@1: 0.922\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1720\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1714, 验证集大小: 355\n",
-      "划分后的训练集大小: 1710, 验证集大小: 374原始训练集大小:  1672\n",
-      "\n",
-      "划分后的训练集大小: 1720, 验证集大小: 330\n",
-      "原始训练集大小:  1740\n",
-      "划分后的训练集大小: 1740, 验证集大小: 366\n",
-      "原始训练集大小:  1733\n",
-      "原始训练集大小:  1709\n",
-      "划分后的训练集大小: 1733, 验证集大小: 321\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1672, 验证集大小: 338\n",
-      "原始训练集大小:  1713\n",
-      "原始训练集大小:  1698\n",
-      "划分后的训练集大小: 1709, 验证集大小: 319\n",
-      "原始训练集大小:  1738\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1713, 验证集大小: 349\n",
-      "划分后的训练集大小: 1738, 验证集大小: 398\n",
-      "原始训练集大小:  1747\n",
-      "原始训练集大小:  1720\n",
-      "划分后的训练集大小: 1698, 验证集大小: 344\n",
-      "划分后的训练集大小: 1747, 验证集大小: 331\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1727\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1720, 验证集大小: 381\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1727, 验证集大小: 304\n",
-      "原始训练集大小:  1723\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1665\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小: 划分后的训练集大小: 1723, 验证集大小: 334\n",
-      " 1691\n",
-      "划分后的训练集大小: 1665, 验证集大小: 316\n",
-      "原始训练集大小:  1629\n",
-      "划分后的训练集大小: 1691, 验证集大小: 344\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      " 1672\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1718\n",
-      "原始训练集大小:  1760\n",
-      "原始训练集大小:  1684\n",
-      "划分后的训练集大小: 1629, 验证集大小: 332\n",
-      "划分后的训练集大小: 1672, 验证集大小: 344\n",
-      "[100]\ttrain's ndcg@1: 0.905154\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1718, 验证集大小: 329\n",
-      "划分后的训练集大小: 1760, 验证集大小: 380\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1684, 验证集大小: 360\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1708\n",
-      "原始训练集大小:  1623\n",
-      "原始训练集大小:  1659\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1714\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1702\n",
-      "划分后的训练集大小: 1708, 验证集大小: 320\n",
-      "划分后的训练集大小: 1714, 验证集大小: 361\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1702, 验证集大小: 340\n",
-      "[100]\ttrain's ndcg@1: 0.864828\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1623, 验证集大小: 297\n",
-      "[100]\ttrain's ndcg@1: 0.830154\tvalid's ndcg@1: 0.7225\n",
-      "原始训练集大小: 划分后的训练集大小: 1659, 验证集大小: 360\n",
-      " 1674\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1674\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1685\n",
-      "划分后的训练集大小: 1685, 验证集大小: 348\n",
-      "划分后的训练集大小: 1674, 验证集大小: 359\n",
-      "划分后的训练集大小: 1674, 验证集大小: 368\n",
-      "原始训练集大小:  1724\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1703\n",
-      "原始训练集大小:  1648\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1724, 验证集大小: 334\n",
-      "划分后的训练集大小: 1703, 验证集大小: 353原始训练集大小:  1713\n",
-      "\n",
-      "划分后的训练集大小: 1648, 验证集大小: 326\n",
-      "原始训练集大小:  1714\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1749\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1714, 验证集大小: 348\n",
-      "原始训练集大小:  1451\n",
-      "划分后的训练集大小: 1749, 验证集大小: 338\n",
-      "原始训练集大小:  1707\n",
-      "原始训练集大小:  1447\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1451, 验证集大小: 304\n",
-      "原始训练集大小:  1664\n",
-      "划分后的训练集大小: 1707, 验证集大小: 331\n",
-      "划分后的训练集大小: 1713, 验证集大小: 344\n",
-      "原始训练集大小:  1632\n",
-      "划分后的训练集大小: 1447, 验证集大小: 320\n",
-      "原始训练集大小:  1474\n",
-      "原始训练集大小:  1704\n",
-      "原始训练集大小:  1701\n",
-      "划分后的训练集大小: 1632, 验证集大小: 302\n",
-      "划分后的训练集大小: 1474, 验证集大小: 267\n",
-      "划分后的训练集大小: 1664, 验证集大小: 322\n",
-      "划分后的训练集大小: 1704, 验证集大小: 368\n",
-      "划分后的训练集大小: 1701, 验证集大小: 311\n",
-      "原始训练集大小:  1690\n",
-      "划分后的训练集大小: 1690, 验证集大小: 300\n",
-      "[100]\ttrain's ndcg@1: 0.855\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1469\n",
-      "原始训练集大小:  1716\n",
-      "原始训练集大小:  1516\n",
-      "原始训练集大小: 划分后的训练集大小: 1469, 验证集大小: 330\n",
-      " 1721\n",
-      "原始训练集大小:  1636\n",
-      "原始训练集大小:  1698\n",
-      "划分后的训练集大小: 1716, 验证集大小: 336\n",
-      "划分后的训练集大小: 1721, 验证集大小: 360\n",
-      "划分后的训练集大小: 1636, 验证集大小: 330\n",
-      "原始训练集大小:  1740\n",
-      "划分后的训练集大小: 1698, 验证集大小: 357\n",
-      "原始训练集大小:  1696\n",
-      "原始训练集大小:  1731\n",
-      "划分后的训练集大小: 1516, 验证集大小: 321\n",
-      "划分后的训练集大小: 1740, 验证集大小: 393\n",
-      "原始训练集大小:  1677\n",
-      "划分后的训练集大小: 1731, 验证集大小: 296\n",
-      "划分后的训练集大小: 1696, 验证集大小: 354\n",
-      "原始训练集大小:  1689\n",
-      "划分后的训练集大小: 1677, 验证集大小: 320\n",
-      "划分后的训练集大小: 1689, 验证集大小: 359\n",
-      "原始训练集大小:  1739\n",
-      "划分后的训练集大小: 1739, 验证集大小: 360\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1713\n",
-      "原始训练集大小:  1731\n",
-      "划分后的训练集大小: 1713, 验证集大小: 368\n",
-      "划分后的训练集大小: 1731, 验证集大小: 363\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1746\n",
-      "原始训练集大小:  1466\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1573\n",
-      "划分后的训练集大小: 1466, 验证集大小: 203\n",
-      "原始训练集大小:  1509\n",
-      "划分后的训练集大小: 1573, 验证集大小: 352\n",
-      "划分后的训练集大小: 1509, 验证集大小: 309\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 1\n",
-      "原始训练集大小: 划分后的训练集大小: 1746, 验证集大小: 379\n",
-      " 1650\n",
-      "[100]\ttrain's ndcg@1: 0.89\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1706\n",
-      "划分后的训练集大小: 1650, 验证集大小: 285\n",
-      "原始训练集大小:  1717\n",
-      "划分后的训练集大小: 1717, 验证集大小: 325\n",
-      "划分后的训练集大小: 1706, 验证集大小: 319\n",
-      "原始训练集大小:  1713\n",
-      "原始训练集大小:  1701\n",
-      "原始训练集大小:  1751\n",
-      "原始训练集大小:  1679\n",
-      "原始训练集大小:  1673\n",
-      "划分后的训练集大小: 1751, 验证集大小: 369\n",
-      "划分后的训练集大小: 1673, 验证集大小: 325\n",
-      "原始训练集大小:  1679\n",
-      "原始训练集大小:  1677\n",
-      "划分后的训练集大小: 1679, 验证集大小: 332\n",
-      "原始训练集大小:  1700\n",
-      "原始训练集大小:  1663\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1713, 验证集大小: 360\n",
-      "原始训练集大小:  1536\n",
-      "划分后的训练集大小: 1701, 验证集大小: 363\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1677, 验证集大小: 354\n",
-      "划分后的训练集大小: 1679, 验证集大小: 379[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1663, 验证集大小: 336\n",
-      "\n",
-      "划分后的训练集大小: 1536, 验证集大小: 248\n",
-      "原始训练集大小:  1733\n",
-      "划分后的训练集大小: 1733, 验证集大小: 374\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1673\n",
-      "划分后的训练集大小: 1700, 验证集大小: 382\n",
-      "划分后的训练集大小: 1673, 验证集大小: 318原始训练集大小:  1661\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1696\n",
-      "原始训练集大小:  1678\n",
-      "原始训练集大小:  1704\n",
-      "原始训练集大小:  1758\n",
-      "划分后的训练集大小: 1661, 验证集大小: 345\n",
-      "原始训练集大小:  1666\n",
-      "原始训练集大小:  1685\n",
-      "划分后的训练集大小: 1696, 验证集大小: 309\n",
-      "划分后的训练集大小: 1666, 验证集大小: 323\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1698\n",
-      "划分后的训练集大小: 1758, 验证集大小: 339\n",
-      "划分后的训练集大小: 1678, 验证集大小: 316\n",
-      "划分后的训练集大小: 1698, 验证集大小: 353\n",
-      "划分后的训练集大小: 1685, 验证集大小: 329\n",
-      "划分后的训练集大小: 1704, 验证集大小: 345\n",
-      "原始训练集大小:  1673\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1676\n",
-      "划分后的训练集大小: 1673, 验证集大小: 320\n",
-      "划分后的训练集大小: 1676, 验证集大小: 353\n",
-      "原始训练集大小:  1705\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1684\n",
-      "原始训练集大小:  1692\n",
-      "划分后的训练集大小: 1684, 验证集大小: 313\n",
-      "原始训练集大小:  1485\n",
-      "划分后的训练集大小: 1705, 验证集大小: 352\n",
-      "划分后的训练集大小: 1485, 验证集大小: 343\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1700\n",
-      "划分后的训练集大小: 1692, 验证集大小: 308\n",
-      "原始训练集大小:  1683\n",
-      "原始训练集大小:  1674\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1653\n",
-      "原始训练集大小:  1684\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1710\n",
-      "划分后的训练集大小: 1700, 验证集大小: 340\n",
-      "划分后的训练集大小: 1653, 验证集大小: 330\n",
-      "划分后的训练集大小: 1674, 验证集大小: 321\n",
-      "划分后的训练集大小: 1710, 验证集大小: 334\n",
-      "划分后的训练集大小: 1683, 验证集大小: 318\n",
-      "原始训练集大小:  1670\n",
-      "划分后的训练集大小: 1684, 验证集大小: 345\n",
-      "[100]\ttrain's ndcg@1: 0.8705\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1682\n",
-      "原始训练集大小:  1701\n",
-      "原始训练集大小:  1648\n",
-      "划分后的训练集大小: 1670, 验证集大小: 345\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1761\n",
-      "划分后的训练集大小: 1701, 验证集大小: 348\n",
-      "划分后的训练集大小: 1682, 验证集大小: 335\n",
-      "[100]\ttrain's ndcg@1: 0.928\tvalid's ndcg@1: 0.64\n",
-      "划分后的训练集大小: 1648, 验证集大小: 341\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1693\n",
-      "原始训练集大小:  1705\n",
-      "原始训练集大小:  1633\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.81\n",
-      "原始训练集大小:  1482\n",
-      "划分后的训练集大小: 1693, 验证集大小: 346\n",
-      "原始训练集大小:  1693\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1690\n",
-      "原始训练集大小:  1676\n",
-      "原始训练集大小:  1666\n",
-      "划分后的训练集大小: 1633, 验证集大小: 282\n",
-      "划分后的训练集大小: 1482, 验证集大小: 333\n",
-      "划分后的训练集大小: 1761, 验证集大小: 340\n",
-      "原始训练集大小:  1669\n",
-      "划分后的训练集大小: 1705, 验证集大小: 326\n",
-      "划分后的训练集大小: 1693, 验证集大小: 320\n",
-      "划分后的训练集大小: 1676, 验证集大小: 350\n",
-      "原始训练集大小:  1734\n",
-      "原始训练集大小:  1675\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1666, 验证集大小: 345\n",
-      "划分后的训练集大小: 1669, 验证集大小: 345\n",
-      "划分后的训练集大小: 1675, 验证集大小: 344\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1734, 验证集大小: 347\n",
-      "原始训练集大小:  1688\n",
-      "原始训练集大小:  1693\n",
-      "划分后的训练集大小: 1690, 验证集大小: 334\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1717\n",
-      "原始训练集大小:  1727\n",
-      "划分后的训练集大小: 1688, 验证集大小: 330\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 0.81\n",
-      "划分后的训练集大小: 1727, 验证集大小: 326\n",
-      "划分后的训练集大小: 1693, 验证集大小: 354\n",
-      "划分后的训练集大小: 1717, 验证集大小: 350\n",
-      "原始训练集大小:  1690\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1697\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1768\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1680\n",
-      "原始训练集大小:  1705\n",
-      "原始训练集大小:  1675\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1683\n",
-      "划分后的训练集大小: 1697, 验证集大小: 362\n",
-      "划分后的训练集大小: 1680, 验证集大小: 358\n",
-      "划分后的训练集大小: 1690, 验证集大小: 334\n",
-      "划分后的训练集大小: 1768, 验证集大小: 368\n",
-      "划分后的训练集大小: 1675, 验证集大小: 349\n",
-      "原始训练集大小:  1677\n",
-      "原始训练集大小:  1678\n",
-      "划分后的训练集大小: 1683, 验证集大小: 326\n",
-      "原始训练集大小:  1664\n",
-      "划分后的训练集大小: 1677, 验证集大小: 346\n",
-      "原始训练集大小:  1672\n",
-      "划分后的训练集大小: 1705, 验证集大小: 347\n",
-      "[100]\ttrain's ndcg@1: 0.886\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1682\n",
-      "原始训练集大小:  1692\n",
-      "原始训练集大小:  1711\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1682, 验证集大小: 323\n",
-      "划分后的训练集大小: 1692, 验证集大小: 325\n",
-      "划分后的训练集大小: 1664, 验证集大小: 341\n",
-      "划分后的训练集大小: 1678, 验证集大小: 322\n",
-      "原始训练集大小:  1671\n",
-      "原始训练集大小:  1707\n",
-      "原始训练集大小:  1690\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1690, 验证集大小: 336\n",
-      "划分后的训练集大小: 1711, 验证集大小: 360\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1672, 验证集大小: 321\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1671, 验证集大小: 333\n",
-      "原始训练集大小:  1708\n",
-      "原始训练集大小:  1671\n",
-      "划分后的训练集大小: 1671, 验证集大小: 308\n",
-      "划分后的训练集大小: 1707, 验证集大小: 322\n",
-      "原始训练集大小:  1656\n",
-      "原始训练集大小:  1695\n",
-      "原始训练集大小:  1758\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1723\n",
-      "原始训练集大小: 划分后的训练集大小: 1708, 验证集大小: 357\n",
-      "原始训练集大小:  1709\n",
-      " 1697\n",
-      "原始训练集大小:  1668\n",
-      "划分后的训练集大小: 1695, 验证集大小: 319\n",
-      "划分后的训练集大小: 1697, 验证集大小: 348\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1678\n",
-      "原始训练集大小:  1669\n",
-      "划分后的训练集大小: 1709, 验证集大小: 317\n",
-      "划分后的训练集大小: 1656, 验证集大小: 336\n",
-      "原始训练集大小:  1692\n",
-      "原始训练集大小:  1654\n",
-      "划分后的训练集大小: 1669, 验证集大小: 327\n",
-      "划分后的训练集大小: 1668, 验证集大小: 320\n",
-      "划分后的训练集大小: 1758, 验证集大小: 379\n",
-      "划分后的训练集大小: 1654, 验证集大小: 313\n",
-      "划分后的训练集大小: 1723, 验证集大小: 342\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1700\n",
-      "划分后的训练集大小: 1692, 验证集大小: 341\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1700, 验证集大小: 352\n",
-      "划分后的训练集大小: 1678, 验证集大小: 320\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.81\n",
-      "原始训练集大小:  1347\n",
-      "原始训练集大小:  1687\n",
-      "[100]\ttrain's ndcg@1: 0.9055\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1687, 验证集大小: 331\n",
-      "划分后的训练集大小: 1347, 验证集大小: 327\n",
-      "原始训练集大小:  1651\n",
-      "划分后的训练集大小: 1651, 验证集大小: 336\n",
-      "原始训练集大小:  1670\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1670, 验证集大小: 361\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1657\n",
-      "原始训练集大小:  1708\n",
-      "原始训练集大小:  1664\n",
-      "划分后的训练集大小: 1708, 验证集大小: 368\n",
-      "原始训练集大小:  1720\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9445\tvalid's ndcg@1: 1\n",
-      " 1685\n",
-      "划分后的训练集大小: 1685, 验证集大小: 323\n",
-      "划分后的训练集大小: 1664, 验证集大小: 332\n",
-      "划分后的训练集大小: 1720, 验证集大小: 343\n",
-      "划分后的训练集大小: 1657, 验证集大小: 316\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "\n",
-      "原始训练集大小:  1738\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.925\tvalid's ndcg@1: 1\n",
-      "原始训练集大小: 划分后的训练集大小: 1738, 验证集大小: 339\n",
-      " 1670\n",
-      "原始训练集大小:  1679\n",
-      "原始训练集大小:  1664\n",
-      "划分后的训练集大小: 1670, 验证集大小: 313\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1679, 验证集大小: 330\n",
-      "原始训练集大小:  1667\n",
-      "划分后的训练集大小: 1664, 验证集大小: 338\n",
-      "[100]\ttrain's ndcg@1: 0.9445\tvalid's ndcg@1: 1\n",
-      "原始训练集大小: 划分后的训练集大小: 1667, 验证集大小: 335\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      " 1715\n",
-      "划分后的训练集大小: 1715, 验证集大小: 327\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1662\n",
-      "原始训练集大小:  1754\n",
-      "划分后的训练集大小: 1662, 验证集大小: 317\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1754, 验证集大小: 324\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1664\n",
-      "原始训练集大小:  1747\n",
-      "划分后的训练集大小: 1664, 验证集大小: 306\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1747, 验证集大小: 361\n",
-      "原始训练集大小:  1708\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1708, 验证集大小: 297\n",
-      "原始训练集大小:  1683\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1683, 验证集大小: 353\n",
-      "原始训练集大小:  1725\n",
-      "原始训练集大小:  1709\n",
-      "原始训练集大小:  1735\n",
-      "划分后的训练集大小: 1709, 验证集大小: 354\n",
-      "划分后的训练集大小: 1725, 验证集大小: 371\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "\n",
-      "划分后的训练集大小: 1735, 验证集大小: 370\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.924\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.81\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1730\n",
-      "原始训练集大小:  1734\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1734, 验证集大小: 337\n",
-      "划分后的训练集大小: 1730, 验证集大小: 330\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1664\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1657\n",
-      "划分后的训练集大小: 1664, 验证集大小: 291\n",
-      "原始训练集大小:  1751\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1751, 验证集大小: 376\n",
-      "原始训练集大小:  1748\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1657, 验证集大小: 338\n",
-      "原始训练集大小:  1733\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1674\n",
-      "划分后的训练集大小: 1674, 验证集大小: 347划分后的训练集大小: 1748, 验证集大小: 344\n",
-      "原始训练集大小:  1610\n",
-      "\n",
-      "原始训练集大小:  1628\n",
-      "划分后的训练集大小: 1733, 验证集大小: 339\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1628, 验证集大小: 329\n",
-      "划分后的训练集大小: 1610, 验证集大小: 312\n",
-      "原始训练集大小:  1627\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1627, 验证集大小: 301\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1639\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1711\n",
-      "原始训练集大小:  1700\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1711, 验证集大小: 356\n",
-      "划分后的训练集大小: 1700, 验证集大小: 354\n",
-      "划分后的训练集大小: 1639, 验证集大小: 339\n",
-      "原始训练集大小:  1637\n",
-      "原始训练集大小:  1662\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1637, 验证集大小: 300\n",
-      "划分后的训练集大小: 1662, 验证集大小: 324\n",
-      "原始训练集大小:  1623\n",
-      "原始训练集大小:  1672\n",
-      "原始训练集大小:  1659\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1623, 验证集大小: 322\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1659, 验证集大小: 374\n",
-      "划分后的训练集大小: 1672, 验证集大小: 325\n",
-      "原始训练集大小:  1729\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1729, 验证集大小: 375\n",
-      "原始训练集大小:  1727\n",
-      "划分后的训练集大小: 1727, 验证集大小: 370\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1641\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1641, 验证集大小: 337\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "\n",
-      "原始训练集大小:  1624\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1668\n",
-      "划分后的训练集大小: 1624, 验证集大小: 271\n",
-      "划分后的训练集大小: 1668, 验证集大小: 344\n",
-      "[100]\ttrain's ndcg@1: 0.8725\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1704\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1704, 验证集大小: 336\n",
-      "原始训练集大小:  1671\n",
-      "原始训练集大小:  1659\n",
-      "[100]\ttrain's ndcg@1: 0.885\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1694\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 0.81\n",
-      "划分后的训练集大小: 1671, 验证集大小: 305\n",
-      "原始训练集大小:  1659\n",
-      "划分后的训练集大小: 1694, 验证集大小: 350划分后的训练集大小: 1659, 验证集大小: 344\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1659, 验证集大小: 364\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 0.81\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1663\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1663, 验证集大小: 284\n",
-      "原始训练集大小:  1667\n",
-      "原始训练集大小:  1640\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1原始训练集大小:  1654\n",
-      "\n",
-      "划分后的训练集大小: 1667, 验证集大小: 325\n",
-      "划分后的训练集大小: 1640, 验证集大小: 329\n",
-      "划分后的训练集大小: 1654, 验证集大小: 320\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1671\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "原始训练集大小:  1659\n",
-      "原始训练集大小:  1675\n",
-      "原始训练集大小: [100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.8735\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1699\n",
-      " 1634\n",
-      "划分后的训练集大小: 1671, 验证集大小: 317\n",
-      "划分后的训练集大小: 1675, 验证集大小: 330\n",
-      "原始训练集大小:  1636\n",
-      "原始训练集大小:  1629\n",
-      "划分后的训练集大小: 1699, 验证集大小: 359\n",
-      "划分后的训练集大小: 1659, 验证集大小: 328\n",
-      "原始训练集大小:  1681\n",
-      "划分后的训练集大小: 1634, 验证集大小: 302\n",
-      "划分后的训练集大小: 1636, 验证集大小: 342\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9055\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1681, 验证集大小: 351\n",
-      "原始训练集大小:  1661\n",
-      "划分后的训练集大小: 1629, 验证集大小: 354\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1661, 验证集大小: 339[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1661\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1686\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1686, 验证集大小: 339\n",
-      "划分后的训练集大小: 1661, 验证集大小: 325\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1678\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "划分后的训练集大小: 1678, 验证集大小: 335\n",
-      "[100]\ttrain's ndcg@1: 0.8785\tvalid's ndcg@1: 1\n",
-      "原始训练集大小:  1697\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "划分后的训练集大小: 1697, 验证集大小: 329\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 0.81\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.885\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9045\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.905\tvalid's ndcg@1: 0.81\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.887\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9125\tvalid's ndcg@1: 0.5625[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 0.81\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9445\tvalid's ndcg@1: 0.7225\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.923\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9415\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
-      "[100]\ttrain's ndcg@1: 0.9425\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.962\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.9805\tvalid's ndcg@1: 1\n",
-      "[100]\ttrain's ndcg@1: 0.961\tvalid's ndcg@1: 0.9025\n",
+      "原始训练集大小:  4720\n",
+      "划分后的训练集大小: 4720, 验证集大小: 951\n",
+      "原始训练集大小:  4721\n",
+      "划分后的训练集大小: 4721, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4735\n",
+      "划分后的训练集大小: 4735, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4724\n",
+      "划分后的训练集大小: 4724, 验证集大小: 935\n",
+      "原始训练集大小:  4745\n",
+      "划分后的训练集大小: 4745, 验证集大小: 953\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4714\n",
+      "划分后的训练集大小: 4714, 验证集大小: 941\n",
+      "原始训练集大小:  4711\n",
+      "划分后的训练集大小: 4711, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 0.800554\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4718\n",
+      "划分后的训练集大小: 4718, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4719\n",
+      "划分后的训练集大小: 4719, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4728\n",
+      "划分后的训练集大小: 4728, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4727\n",
+      "划分后的训练集大小: 4727, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4720\n",
+      "划分后的训练集大小: 4720, 验证集大小: 934\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4711\n",
+      "划分后的训练集大小: 4711, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4694\n",
+      "划分后的训练集大小: 4694, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4701\n",
+      "划分后的训练集大小: 4701, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4719\n",
+      "划分后的训练集大小: 4719, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4748\n",
+      "划分后的训练集大小: 4748, 验证集大小: 968\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4758\n",
+      "原始训练集大小:  4777\n",
+      "划分后的训练集大小: 4777, 验证集大小: 962\n",
+      "划分后的训练集大小: 4758, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4788\n",
+      "划分后的训练集大小: 4788, 验证集大小: 959\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4798\n",
+      "划分后的训练集大小: 4798, 验证集大小: 962\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4778\n",
+      "划分后的训练集大小: 4778, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4788\n",
+      "划分后的训练集大小: 4788, 验证集大小: 957\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4781\n",
+      "划分后的训练集大小: 4781, 验证集大小: 955\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4772\n",
+      "划分后的训练集大小: 4772, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4754\n",
+      "划分后的训练集大小: 4754, 验证集大小: 944\n",
+      "原始训练集大小:  4751\n",
+      "划分后的训练集大小: 4751, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4752\n",
+      "划分后的训练集大小: 4752, 验证集大小: 958\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4749\n",
+      "划分后的训练集大小: 4749, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4751\n",
+      "划分后的训练集大小: 4751, 验证集大小: 952\n",
+      "原始训练集大小:  4746\n",
+      "划分后的训练集大小: 4746, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4746\n",
+      "划分后的训练集大小: 4746, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4740\n",
+      "划分后的训练集大小: 4740, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4727\n",
+      "划分后的训练集大小: 4727, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4723\n",
+      "划分后的训练集大小: 4723, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4724\n",
+      "划分后的训练集大小: 4724, 验证集大小: 940\n",
+      "原始训练集大小:  4725\n",
+      "划分后的训练集大小: 4725, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4720\n",
+      "划分后的训练集大小: 4720, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4736\n",
+      "划分后的训练集大小: 4736, 验证集大小: 955\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4745\n",
+      "划分后的训练集大小: 4745, 验证集大小: 957\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4743\n",
+      "划分后的训练集大小: 4743, 验证集大小: 938\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4754\n",
+      "划分后的训练集大小: 4754, 验证集大小: 957\n",
+      "原始训练集大小:  4761\n",
+      "划分后的训练集大小: 4761, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4752\n",
+      "划分后的训练集大小: 4752, 验证集大小: 946\n",
+      "原始训练集大小:  4740\n",
+      "划分后的训练集大小: 4740, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4747\n",
+      "划分后的训练集大小: 4747, 验证集大小: 945\n",
+      "原始训练集大小:  4735\n",
+      "划分后的训练集大小: 4735, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4722\n",
+      "划分后的训练集大小: 4722, 验证集大小: 941\n",
+      "原始训练集大小:  4725\n",
+      "划分后的训练集大小: 4725, 验证集大小: 949\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4711\n",
+      "划分后的训练集大小: 4711, 验证集大小: 931\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4706\n",
+      "划分后的训练集大小: 4706, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4720\n",
+      "划分后的训练集大小: 4720, 验证集大小: 959\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4721\n",
+      "划分后的训练集大小: 4721, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4706\n",
+      "划分后的训练集大小: 4706, 验证集大小: 934\n",
+      "[100]\ttrain's ndcg@1: 0.941828\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 941\n",
+      "原始训练集大小:  4713\n",
+      "划分后的训练集大小: 4713, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 942\n",
+      "原始训练集大小:  4682\n",
+      "划分后的训练集大小: 4682, 验证集大小: 923\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4671\n",
+      "划分后的训练集大小: 4671, 验证集大小: 930\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4676\n",
+      "划分后的训练集大小: 4676, 验证集大小: 942\n",
+      "原始训练集大小:  4669\n",
+      "划分后的训练集大小: 4669, 验证集大小: 932\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4670\n",
+      "划分后的训练集大小: 4670, 验证集大小: 943\n",
+      "原始训练集大小:  4690\n",
+      "划分后的训练集大小: 4690, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4706\n",
+      "划分后的训练集大小: 4706, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4719\n",
+      "划分后的训练集大小: 4719, 验证集大小: 955\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4714\n",
+      "划分后的训练集大小: 4714, 验证集大小: 927\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4704\n",
+      "划分后的训练集大小: 4704, 验证集大小: 933\n",
+      "原始训练集大小:  4692\n",
+      "划分后的训练集大小: 4692, 验证集大小: 931\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4689\n",
+      "划分后的训练集大小: 4689, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4673\n",
+      "划分后的训练集大小: 4673, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4661\n",
+      "划分后的训练集大小: 4661, 验证集大小: 915\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4669\n",
+      "划分后的训练集大小: 4669, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4669\n",
+      "划分后的训练集大小: 4669, 验证集大小: 936\n",
+      "原始训练集大小:  4676\n",
+      "划分后的训练集大小: 4676, 验证集大小: 938\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4678\n",
+      "划分后的训练集大小: 4678, 验证集大小: 948\n",
+      "原始训练集大小:  4710\n",
+      "划分后的训练集大小: 4710, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4708\n",
+      "划分后的训练集大小: 4708, 验证集大小: 939\n",
+      "原始训练集大小:  4714\n",
+      "划分后的训练集大小: 4714, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4714\n",
+      "划分后的训练集大小: 4714, 验证集大小: 936\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4730\n",
+      "划分后的训练集大小: 4730, 验证集大小: 961\n",
+      "原始训练集大小:  4735\n",
+      "划分后的训练集大小: 4735, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4749\n",
+      "划分后的训练集大小: 4749, 验证集大小: 958\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4760\n",
+      "划分后的训练集大小: 4760, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4754\n",
+      "划分后的训练集大小: 4754, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4727\n",
+      "划分后的训练集大小: 4727, 验证集大小: 934\n",
+      "原始训练集大小:  4726\n",
+      "划分后的训练集大小: 4726, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4697\n",
+      "划分后的训练集大小: 4697, 验证集大小: 929\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4695\n",
+      "划分后的训练集大小: 4695, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4683\n",
+      "划分后的训练集大小: 4683, 验证集大小: 932\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4686\n",
+      "划分后的训练集大小: 4686, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4669\n",
+      "划分后的训练集大小: 4669, 验证集大小: 926\n",
+      "原始训练集大小:  4679\n",
+      "划分后的训练集大小: 4679, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4667\n",
+      "划分后的训练集大小: 4667, 验证集大小: 933\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4665\n",
+      "划分后的训练集大小: 4665, 验证集大小: 930\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4663\n",
+      "划分后的训练集大小: 4663, 验证集大小: 935\n",
+      "原始训练集大小:  4673\n",
+      "划分后的训练集大小: 4673, 验证集大小: 936\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4672\n",
+      "划分后的训练集大小: 4672, 验证集大小: 938\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4679\n",
+      "划分后的训练集大小: 4679, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4673\n",
+      "划分后的训练集大小: 4673, 验证集大小: 924\n",
+      "原始训练集大小:  4674\n",
+      "划分后的训练集大小: 4674, 验证集大小: 936\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4686\n",
+      "划分后的训练集大小: 4686, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4678\n",
+      "划分后的训练集大小: 4678, 验证集大小: 930\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4661\n",
+      "划分后的训练集大小: 4661, 验证集大小: 922\n",
+      "原始训练集大小:  4663\n",
+      "划分后的训练集大小: 4663, 验证集大小: 925\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4604\n",
+      "划分后的训练集大小: 4604, 验证集大小: 879\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4595\n",
+      "划分后的训练集大小: 4595, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4609\n",
+      "划分后的训练集大小: 4609, 验证集大小: 940\n",
+      "原始训练集大小:  4594\n",
+      "划分后的训练集大小: 4594, 验证集大小: 929\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4638\n",
+      "划分后的训练集大小: 4638, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4712\n",
+      "划分后的训练集大小: 4712, 验证集大小: 953\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4751\n",
+      "划分后的训练集大小: 4751, 验证集大小: 951\n",
+      "原始训练集大小:  4729\n",
+      "划分后的训练集大小: 4729, 验证集大小: 956\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4772\n",
+      "划分后的训练集大小: 4772, 验证集大小: 961\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4764\n",
+      "划分后的训练集大小: 4764, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4753\n",
+      "划分后的训练集大小: 4753, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4749\n",
+      "划分后的训练集大小: 4749, 验证集大小: 952\n",
+      "原始训练集大小:  4734\n",
+      "划分后的训练集大小: 4734, 验证集大小: 936\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4719\n",
+      "划分后的训练集大小: 4719, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4717\n",
+      "划分后的训练集大小: 4717, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4708\n",
+      "划分后的训练集大小: 4708, 验证集大小: 933\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4718\n",
+      "划分后的训练集大小: 4718, 验证集大小: 962\n",
+      "原始训练集大小:  4728\n",
+      "划分后的训练集大小: 4728, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4737\n",
+      "划分后的训练集大小: 4737, 验证集大小: 955\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4734\n",
+      "划分后的训练集大小: 4734, 验证集大小: 938\n",
+      "原始训练集大小:  4747\n",
+      "划分后的训练集大小: 4747, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4726\n",
+      "划分后的训练集大小: 4726, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4726\n",
+      "划分后的训练集大小: 4726, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4712\n",
+      "划分后的训练集大小: 4712, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4707\n",
+      "划分后的训练集大小: 4707, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4717\n",
+      "划分后的训练集大小: 4717, 验证集大小: 951\n",
+      "原始训练集大小:  4711\n",
+      "划分后的训练集大小: 4711, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4705\n",
+      "划分后的训练集大小: 4705, 验证集大小: 935\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4706\n",
+      "划分后的训练集大小: 4706, 验证集大小: 943\n",
+      "原始训练集大小:  4714\n",
+      "划分后的训练集大小: 4714, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4712\n",
+      "划分后的训练集大小: 4712, 验证集大小: 949\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4721\n",
+      "划分后的训练集大小: 4721, 验证集大小: 949\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4744\n",
+      "划分后的训练集大小: 4744, 验证集大小: 958\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4751\n",
+      "划分后的训练集大小: 4751, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4745\n",
+      "划分后的训练集大小: 4745, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4736\n",
+      "划分后的训练集大小: 4736, 验证集大小: 940\n",
+      "原始训练集大小:  4724\n",
+      "划分后的训练集大小: 4724, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4711\n",
+      "划分后的训练集大小: 4711, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4699\n",
+      "划分后的训练集大小: 4699, 验证集大小: 938\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4695\n",
+      "划分后的训练集大小: 4695, 验证集大小: 945\n",
+      "原始训练集大小:  4690\n",
+      "划分后的训练集大小: 4690, 验证集大小: 930\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4686\n",
+      "划分后的训练集大小: 4686, 验证集大小: 928\n",
+      "原始训练集大小:  4657\n",
+      "划分后的训练集大小: 4657, 验证集大小: 916\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4624\n",
+      "划分后的训练集大小: 4624, 验证集大小: 926\n",
+      "原始训练集大小:  4628\n",
+      "划分后的训练集大小: 4628, 验证集大小: 909\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4618\n",
+      "划分后的训练集大小: 4618, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4630\n",
+      "划分后的训练集大小: 4630, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4664\n",
+      "划分后的训练集大小: 4664, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4672\n",
+      "划分后的训练集大小: 4672, 验证集大小: 917\n",
+      "原始训练集大小:  4688\n",
+      "划分后的训练集大小: 4688, 验证集大小: 942\n",
+      "原始训练集大小:  4701\n",
+      "划分后的训练集大小: 4701, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4698\n",
+      "划分后的训练集大小: 4698, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 0.900831\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4692\n",
+      "划分后的训练集大小: 4692, 验证集大小: 944\n",
+      "原始训练集大小:  4726\n",
+      "划分后的训练集大小: 4726, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4735\n",
+      "划分后的训练集大小: 4735, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4741\n",
+      "划分后的训练集大小: 4741, 验证集大小: 958\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4758\n",
+      "划分后的训练集大小: 4758, 验证集大小: 954\n",
+      "原始训练集大小:  4766\n",
+      "划分后的训练集大小: 4766, 验证集大小: 952\n",
+      "原始训练集大小:  4762\n",
+      "划分后的训练集大小: 4762, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.941828\tvalid's ndcg@1: 0.709141\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4767\n",
+      "划分后的训练集大小: 4767, 验证集大小: 956\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4764\n",
+      "划分后的训练集大小: 4764, 验证集大小: 955\n",
+      "原始训练集大小:  4756\n",
+      "划分后的训练集大小: 4756, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4764\n",
+      "划分后的训练集大小: 4764, 验证集大小: 960\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4779\n",
+      "划分后的训练集大小: 4779, 验证集大小: 962\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4771\n",
+      "划分后的训练集大小: 4771, 验证集大小: 948\n",
+      "原始训练集大小:  4764\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "划分后的训练集大小: 4764, 验证集大小: 948\n",
+      "原始训练集大小:  4762\n",
+      "划分后的训练集大小: 4762, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4747\n",
+      "划分后的训练集大小: 4747, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4728\n",
+      "划分后的训练集大小: 4728, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4729\n",
+      "划分后的训练集大小: 4729, 验证集大小: 949\n",
+      "原始训练集大小:  4739\n",
+      "划分后的训练集大小: 4739, 验证集大小: 958\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4737\n",
+      "划分后的训练集大小: 4737, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4743\n",
+      "划分后的训练集大小: 4743, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4727\n",
+      "划分后的训练集大小: 4727, 验证集大小: 927\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4729\n",
+      "划分后的训练集大小: 4729, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4712\n",
+      "划分后的训练集大小: 4712, 验证集大小: 941\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4697\n",
+      "划分后的训练集大小: 4697, 验证集大小: 932\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4703\n",
+      "划分后的训练集大小: 4703, 验证集大小: 933\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4709\n",
+      "划分后的训练集大小: 4709, 验证集大小: 957\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4714\n",
+      "划分后的训练集大小: 4714, 验证集大小: 944\n",
+      "原始训练集大小:  4728\n",
+      "划分后的训练集大小: 4728, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4732\n",
+      "划分后的训练集大小: 4732, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4723\n",
+      "划分后的训练集大小: 4723, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4739\n",
+      "划分后的训练集大小: 4739, 验证集大小: 964\n",
+      "原始训练集大小:  4737\n",
+      "划分后的训练集大小: 4737, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4747\n",
+      "划分后的训练集大小: 4747, 验证集大小: 956\n",
+      "原始训练集大小:  4751\n",
+      "划分后的训练集大小: 4751, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4747\n",
+      "划分后的训练集大小: 4747, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4721\n",
+      "划分后的训练集大小: 4721, 验证集大小: 938\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4735\n",
+      "划分后的训练集大小: 4735, 验证集大小: 956\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 914\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4695\n",
+      "划分后的训练集大小: 4695, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4699\n",
+      "划分后的训练集大小: 4699, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 955\n",
+      "原始训练集大小:  4710\n",
+      "划分后的训练集大小: 4710, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4737\n",
+      "划分后的训练集大小: 4737, 验证集大小: 941\n",
+      "原始训练集大小:  4726\n",
+      "划分后的训练集大小: 4726, 验证集大小: 932\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4725\n",
+      "划分后的训练集大小: 4725, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4702\n",
+      "划分后的训练集大小: 4702, 验证集大小: 932\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4695\n",
+      "划分后的训练集大小: 4695, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4680\n",
+      "划分后的训练集大小: 4680, 验证集大小: 926\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4707\n",
+      "划分后的训练集大小: 4707, 验证集大小: 959\n",
+      "原始训练集大小:  4710\n",
+      "划分后的训练集大小: 4710, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4723\n",
+      "划分后的训练集大小: 4723, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4726\n",
+      "划分后的训练集大小: 4726, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4744\n",
+      "划分后的训练集大小: 4744, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4725\n",
+      "划分后的训练集大小: 4725, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4717\n",
+      "划分后的训练集大小: 4717, 验证集大小: 942\n",
+      "原始训练集大小:  4711\n",
+      "划分后的训练集大小: 4711, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4715\n",
+      "划分后的训练集大小: 4715, 验证集大小: 950\n",
+      "原始训练集大小:  4712\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "划分后的训练集大小: 4712, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4718\n",
+      "划分后的训练集大小: 4718, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4725\n",
+      "划分后的训练集大小: 4725, 验证集大小: 949\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4748\n",
+      "划分后的训练集大小: 4748, 验证集大小: 962\n",
+      "原始训练集大小:  4752\n",
+      "划分后的训练集大小: 4752, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4758\n",
+      "划分后的训练集大小: 4758, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4749\n",
+      "划分后的训练集大小: 4749, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4747\n",
+      "划分后的训练集大小: 4747, 验证集大小: 947\n",
+      "原始训练集大小:  4727\n",
+      "划分后的训练集大小: 4727, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4720\n",
+      "划分后的训练集大小: 4720, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4731\n",
+      "划分后的训练集大小: 4731, 验证集大小: 958\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4703\n",
+      "划分后的训练集大小: 4703, 验证集大小: 909\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4680\n",
+      "划分后的训练集大小: 4680, 验证集大小: 929\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4680\n",
+      "划分后的训练集大小: 4680, 验证集大小: 947\n",
+      "原始训练集大小:  4664\n",
+      "划分后的训练集大小: 4664, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4699\n",
+      "划分后的训练集大小: 4699, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 931\n",
+      "原始训练集大小:  4707\n",
+      "划分后的训练集大小: 4707, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4700\n",
+      "划分后的训练集大小: 4700, 验证集大小: 940\n",
+      "原始训练集大小:  4665\n",
+      "划分后的训练集大小: 4665, 验证集大小: 907\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4672\n",
+      "划分后的训练集大小: 4672, 验证集大小: 951\n",
+      "原始训练集大小:  4677\n",
+      "划分后的训练集大小: 4677, 验证集大小: 936\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 959\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4683\n",
+      "划分后的训练集大小: 4683, 验证集大小: 930\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4709\n",
+      "划分后的训练集大小: 4709, 验证集大小: 933\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 935\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4684\n",
+      "划分后的训练集大小: 4684, 验证集大小: 927\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4662\n",
+      "划分后的训练集大小: 4662, 验证集大小: 937\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4598\n",
+      "划分后的训练集大小: 4598, 验证集大小: 867\n",
+      "原始训练集大小:  4664\n",
+      "划分后的训练集大小: 4664, 验证集大小: 932\n",
+      "原始训练集大小:  4554\n",
+      "划分后的训练集大小: 4554, 验证集大小: 891\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4576\n",
+      "划分后的训练集大小: 4576, 验证集大小: 949\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4553\n",
+      "划分后的训练集大小: 4553, 验证集大小: 938\n",
+      "原始训练集大小:  4547\n",
+      "划分后的训练集大小: 4547, 验证集大小: 908\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4608\n",
+      "划分后的训练集大小: 4608, 验证集大小: 922\n",
+      "原始训练集大小:  4589\n",
+      "划分后的训练集大小: 4589, 验证集大小: 872\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4512\n",
+      "划分后的训练集大小: 4512, 验证集大小: 872\n",
+      "原始训练集大小:  4498\n",
+      "划分后的训练集大小: 4498, 验证集大小: 894\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4485\n",
+      "划分后的训练集大小: 4485, 验证集大小: 925\n",
+      "原始训练集大小:  4366\n",
+      "划分后的训练集大小: 4366, 验证集大小: 803\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4305\n",
+      "划分后的训练集大小: 4305, 验证集大小: 758\n",
+      "原始训练集大小:  4419\n",
+      "划分后的训练集大小: 4419, 验证集大小: 925\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4359\n",
+      "划分后的训练集大小: 4359, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.915393\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4378\n",
+      "划分后的训练集大小: 4378, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.941828\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4533\n",
+      "划分后的训练集大小: 4533, 验证集大小: 958\n",
+      "原始训练集大小:  4555\n",
+      "划分后的训练集大小: 4555, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4751\n",
+      "划分后的训练集大小: 4751, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 0.934784\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.899723\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4750\n",
+      "划分后的训练集大小: 4750, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 0.800656\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4772\n",
+      "划分后的训练集大小: 4772, 验证集大小: 966\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4766\n",
+      "划分后的训练集大小: 4766, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4776\n",
+      "划分后的训练集大小: 4776, 验证集大小: 957\n",
+      "原始训练集大小:  4775\n",
+      "划分后的训练集大小: 4775, 验证集大小: 953\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4752\n",
+      "划分后的训练集大小: 4752, 验证集大小: 924\n",
+      "原始训练集大小:  4742\n",
+      "划分后的训练集大小: 4742, 验证集大小: 956\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4751\n",
+      "划分后的训练集大小: 4751, 验证集大小: 961\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4761\n",
+      "划分后的训练集大小: 4761, 验证集大小: 967\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4801\n",
+      "划分后的训练集大小: 4801, 验证集大小: 963\n",
+      "原始训练集大小:  4762\n",
+      "划分后的训练集大小: 4762, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4780\n",
+      "划分后的训练集大小: 4780, 验证集大小: 935\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4762\n",
+      "划分后的训练集大小: 4762, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4714\n",
+      "划分后的训练集大小: 4714, 验证集大小: 947\n",
+      "原始训练集大小:  4721\n",
+      "划分后的训练集大小: 4721, 验证集大小: 926\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4693\n",
+      "划分后的训练集大小: 4693, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4677\n",
+      "划分后的训练集大小: 4677, 验证集大小: 919\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4652\n",
+      "划分后的训练集大小: 4652, 验证集大小: 918\n",
+      "原始训练集大小:  4644\n",
+      "划分后的训练集大小: 4644, 验证集大小: 918\n",
+      "原始训练集大小:  4610\n",
+      "划分后的训练集大小: 4610, 验证集大小: 913\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4595\n",
+      "划分后的训练集大小: 4595, 验证集大小: 927\n",
+      "[100]\ttrain's ndcg@1: 0.88144\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4586\n",
+      "划分后的训练集大小: 4586, 验证集大小: 910\n",
+      "原始训练集大小:  4590\n",
+      "划分后的训练集大小: 4590, 验证集大小: 922\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4608\n",
+      "划分后的训练集大小: 4608, 验证集大小: 936\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4657\n",
+      "划分后的训练集大小: 4657, 验证集大小: 962\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4673\n",
+      "划分后的训练集大小: 4673, 验证集大小: 943\n",
+      "原始训练集大小:  4710\n",
+      "划分后的训练集大小: 4710, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4734\n",
+      "划分后的训练集大小: 4734, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4723\n",
+      "划分后的训练集大小: 4723, 验证集大小: 925\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4664\n",
+      "划分后的训练集大小: 4664, 验证集大小: 903\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4667\n",
+      "划分后的训练集大小: 4667, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4669\n",
+      "划分后的训练集大小: 4669, 验证集大小: 949\n",
+      "原始训练集大小:  4681\n",
+      "划分后的训练集大小: 4681, 验证集大小: 958\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4706\n",
+      "划分后的训练集大小: 4706, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4672\n",
+      "划分后的训练集大小: 4672, 验证集大小: 869\n",
+      "原始训练集大小:  4352\n",
+      "划分后的训练集大小: 4352, 验证集大小: 626\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4327\n",
+      "划分后的训练集大小: 4327, 验证集大小: 924\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4294\n",
+      "划分后的训练集大小: 4294, 验证集大小: 925\n",
+      "[100]\ttrain's ndcg@1: 0.92133\tvalid's ndcg@1: 0.709141\n",
+      "原始训练集大小:  4288\n",
+      "划分后的训练集大小: 4288, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4365\n",
+      "划分后的训练集大小: 4365, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4682\n",
+      "划分后的训练集大小: 4682, 验证集大小: 943\n",
+      "原始训练集大小:  4702\n",
+      "划分后的训练集大小: 4702, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4723\n",
+      "划分后的训练集大小: 4723, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4741\n",
+      "划分后的训练集大小: 4741, 验证集大小: 962\n",
+      "原始训练集大小:  4745\n",
+      "划分后的训练集大小: 4745, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4755\n",
+      "划分后的训练集大小: 4755, 验证集大小: 952\n",
+      "原始训练集大小:  4747\n",
+      "划分后的训练集大小: 4747, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4748\n",
+      "划分后的训练集大小: 4748, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4719\n",
+      "划分后的训练集大小: 4719, 验证集大小: 933\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4717\n",
+      "划分后的训练集大小: 4717, 验证集大小: 948\n",
+      "原始训练集大小:  4722\n",
+      "划分后的训练集大小: 4722, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4712\n",
+      "划分后的训练集大小: 4712, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4713\n",
+      "划分后的训练集大小: 4713, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 0.863158\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4743\n",
+      "划分后的训练集大小: 4743, 验证集大小: 963\n",
+      "原始训练集大小:  4749\n",
+      "划分后的训练集大小: 4749, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4747\n",
+      "划分后的训练集大小: 4747, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4764\n",
+      "划分后的训练集大小: 4764, 验证集大小: 959\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4783\n",
+      "划分后的训练集大小: 4783, 验证集大小: 959\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4773\n",
+      "划分后的训练集大小: 4773, 验证集大小: 953\n",
+      "原始训练集大小:  4763\n",
+      "划分后的训练集大小: 4763, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4767\n",
+      "划分后的训练集大小: 4767, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4763\n",
+      "划分后的训练集大小: 4763, 验证集大小: 955\n",
+      "原始训练集大小:  4766\n",
+      "划分后的训练集大小: 4766, 验证集大小: 962\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4781\n",
+      "划分后的训练集大小: 4781, 验证集大小: 968\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4790\n",
+      "划分后的训练集大小: 4790, 验证集大小: 953\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4793\n",
+      "划分后的训练集大小: 4793, 验证集大小: 955\n",
+      "原始训练集大小:  4794\n",
+      "划分后的训练集大小: 4794, 验证集大小: 956\n",
+      "原始训练集大小:  4788\n",
+      "划分后的训练集大小: 4788, 验证集大小: 956\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.893629\tvalid's ndcg@1: 0.468144\n",
+      "[100]\ttrain's ndcg@1: 0.85374\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4768\n",
+      "划分后的训练集大小: 4768, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4763\n",
+      "划分后的训练集大小: 4763, 验证集大小: 948\n",
+      "原始训练集大小:  4769\n",
+      "划分后的训练集大小: 4769, 验证集大小: 961\n",
+      "[100]\ttrain's ndcg@1: 0.941828\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4780\n",
+      "划分后的训练集大小: 4780, 验证集大小: 967\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4776\n",
+      "划分后的训练集大小: 4776, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4786\n",
+      "划分后的训练集大小: 4786, 验证集大小: 958\n",
+      "原始训练集大小:  4795\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "划分后的训练集大小: 4795, 验证集大小: 957\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4784\n",
+      "划分后的训练集大小: 4784, 验证集大小: 950\n",
+      "原始训练集大小:  4779\n",
+      "划分后的训练集大小: 4779, 验证集大小: 962\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4799\n",
+      "划分后的训练集大小: 4799, 验证集大小: 972\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4810\n",
+      "划分后的训练集大小: 4810, 验证集大小: 969\n",
+      "原始训练集大小:  4823\n",
+      "划分后的训练集大小: 4823, 验证集大小: 970\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4840\n",
+      "划分后的训练集大小: 4840, 验证集大小: 967\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4844\n",
+      "划分后的训练集大小: 4844, 验证集大小: 966\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4835\n",
+      "划分后的训练集大小: 4835, 验证集大小: 963\n",
+      "原始训练集大小:  4820\n",
+      "划分后的训练集大小: 4820, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4814\n",
+      "划分后的训练集大小: 4814, 验证集大小: 964\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.918006\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4813\n",
+      "划分后的训练集大小: 4813, 验证集大小: 966\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4811\n",
+      "划分后的训练集大小: 4811, 验证集大小: 964\n",
+      "[100]\ttrain's ndcg@1: 0.842659\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4818\n",
+      "划分后的训练集大小: 4818, 验证集大小: 970\n",
+      "原始训练集大小:  4812\n",
+      "划分后的训练集大小: 4812, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.88144\tvalid's ndcg@1: 0.709141\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4819\n",
+      "划分后的训练集大小: 4819, 验证集大小: 971\n",
+      "[100]\ttrain's ndcg@1: 0.919114\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4819\n",
+      "划分后的训练集大小: 4819, 验证集大小: 966\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4822\n",
+      "划分后的训练集大小: 4822, 验证集大小: 967\n",
+      "原始训练集大小:  4812\n",
+      "划分后的训练集大小: 4812, 验证集大小: 960\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4812\n",
+      "划分后的训练集大小: 4812, 验证集大小: 956\n",
+      "原始训练集大小:  4827\n",
+      "划分后的训练集大小: 4827, 验证集大小: 963\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4794\n",
+      "划分后的训练集大小: 4794, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4785\n",
+      "划分后的训练集大小: 4785, 验证集大小: 958\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4766\n",
+      "划分后的训练集大小: 4766, 验证集大小: 941\n",
+      "原始训练集大小:  4769\n",
+      "划分后的训练集大小: 4769, 验证集大小: 966\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4769\n",
+      "划分后的训练集大小: 4769, 验证集大小: 956\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4787\n",
+      "划分后的训练集大小: 4787, 验证集大小: 966\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4784\n",
+      "划分后的训练集大小: 4784, 验证集大小: 955\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4795\n",
+      "划分后的训练集大小: 4795, 验证集大小: 952\n",
+      "原始训练集大小:  4777\n",
+      "划分后的训练集大小: 4777, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4779\n",
+      "划分后的训练集大小: 4779, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4762\n",
+      "划分后的训练集大小: 4762, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4766\n",
+      "划分后的训练集大小: 4766, 验证集大小: 959\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4765\n",
+      "划分后的训练集大小: 4765, 验证集大小: 951\n",
+      "原始训练集大小:  4753\n",
+      "划分后的训练集大小: 4753, 验证集大小: 938\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4743\n",
+      "划分后的训练集大小: 4743, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4734\n",
+      "划分后的训练集大小: 4734, 验证集大小: 942\n",
+      "原始训练集大小:  4711\n",
+      "划分后的训练集大小: 4711, 验证集大小: 936\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4713\n",
+      "划分后的训练集大小: 4713, 验证集大小: 953\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4724\n",
+      "划分后的训练集大小: 4724, 验证集大小: 949\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4733\n",
+      "划分后的训练集大小: 4733, 验证集大小: 953\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4738\n",
+      "划分后的训练集大小: 4738, 验证集大小: 947\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4753\n",
+      "划分后的训练集大小: 4753, 验证集大小: 951\n",
+      "原始训练集大小:  4755\n",
+      "划分后的训练集大小: 4755, 验证集大小: 955\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4762\n",
+      "划分后的训练集大小: 4762, 验证集大小: 956\n",
+      "原始训练集大小:  4773\n",
+      "划分后的训练集大小: 4773, 验证集大小: 964\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4776\n",
+      "划分后的训练集大小: 4776, 验证集大小: 950\n",
+      "原始训练集大小:  4786\n",
+      "划分后的训练集大小: 4786, 验证集大小: 961\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4789\n",
+      "划分后的训练集大小: 4789, 验证集大小: 959\n",
+      "原始训练集大小:  4786\n",
+      "划分后的训练集大小: 4786, 验证集大小: 955\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4779\n",
+      "划分后的训练集大小: 4779, 验证集大小: 944\n",
+      "原始训练集大小:  4785\n",
+      "划分后的训练集大小: 4785, 验证集大小: 960\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4766\n",
+      "划分后的训练集大小: 4766, 验证集大小: 948\n",
+      "原始训练集大小:  4763\n",
+      "划分后的训练集大小: 4763, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4764\n",
+      "划分后的训练集大小: 4764, 验证集大小: 960\n",
+      "原始训练集大小:  4761\n",
+      "划分后的训练集大小: 4761, 验证集大小: 957\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4774\n",
+      "划分后的训练集大小: 4774, 验证集大小: 957\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4785\n",
+      "划分后的训练集大小: 4785, 验证集大小: 959\n",
+      "原始训练集大小:  4791\n",
+      "划分后的训练集大小: 4791, 验证集大小: 958\n",
+      "原始训练集大小:  4787\n",
+      "划分后的训练集大小: 4787, 验证集大小: 956\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4798\n",
+      "划分后的训练集大小: 4798, 验证集大小: 968\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4799\n",
+      "划分后的训练集大小: 4799, 验证集大小: 958\n",
+      "原始训练集大小:  4780\n",
+      "划分后的训练集大小: 4780, 验证集大小: 946\n",
+      "原始训练集大小:  4792\n",
+      "划分后的训练集大小: 4792, 验证集大小: 952\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.941828\tvalid's ndcg@1: 0.709141\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4793\n",
+      "划分后的训练集大小: 4793, 验证集大小: 969\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4778\n",
+      "划分后的训练集大小: 4778, 验证集大小: 953\n",
+      "原始训练集大小:  4771\n",
+      "划分后的训练集大小: 4771, 验证集大小: 951\n",
+      "原始训练集大小:  4769\n",
+      "划分后的训练集大小: 4769, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4777\n",
+      "划分后的训练集大小: 4777, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4745\n",
+      "划分后的训练集大小: 4745, 验证集大小: 937\n",
+      "原始训练集大小:  4734\n",
+      "划分后的训练集大小: 4734, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4712\n",
+      "划分后的训练集大小: 4712, 验证集大小: 929\n",
+      "原始训练集大小:  4708\n",
+      "划分后的训练集大小: 4708, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4612\n",
+      "划分后的训练集大小: 4612, 验证集大小: 858\n",
+      "原始训练集大小:  4427\n",
+      "划分后的训练集大小: 4427, 验证集大小: 752\n",
+      "[100]\ttrain's ndcg@1: 0.957896\tvalid's ndcg@1: 0.891975\n",
+      "原始训练集大小:  3706\n",
+      "划分后的训练集大小: 3706, 验证集大小: 369\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4266\n",
+      "划分后的训练集大小: 4266, 验证集大小: 781\n",
+      "[100]\ttrain's ndcg@1: 0.955558\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  3258\n",
+      "划分后的训练集大小: 3258, 验证集大小: 498\n",
+      "原始训练集大小:  3264\n",
+      "划分后的训练集大小: 3264, 验证集大小: 864\n",
+      "[100]\ttrain's ndcg@1: 0.955558\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  3471\n",
+      "划分后的训练集大小: 3471, 验证集大小: 959\n",
+      "[100]\ttrain's ndcg@1: 0.977163\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.956664\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  3640\n",
+      "划分后的训练集大小: 3640, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4217\n",
+      "划分后的训练集大小: 4217, 验证集大小: 946\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4656\n",
+      "划分后的训练集大小: 4656, 验证集大小: 937\n",
+      "原始训练集大小:  4733\n",
+      "划分后的训练集大小: 4733, 验证集大小: 941\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4688\n",
+      "划分后的训练集大小: 4688, 验证集大小: 914\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4678\n",
+      "划分后的训练集大小: 4678, 验证集大小: 940\n",
+      "原始训练集大小:  4643\n",
+      "划分后的训练集大小: 4643, 验证集大小: 919\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4661\n",
+      "划分后的训练集大小: 4661, 验证集大小: 929\n",
+      "原始训练集大小:  4615\n",
+      "划分后的训练集大小: 4615, 验证集大小: 913\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4581\n",
+      "划分后的训练集大小: 4581, 验证集大小: 924\n",
+      "原始训练集大小:  4597\n",
+      "划分后的训练集大小: 4597, 验证集大小: 896\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4577\n",
+      "划分后的训练集大小: 4577, 验证集大小: 925\n",
+      "原始训练集大小:  4521\n",
+      "划分后的训练集大小: 4521, 验证集大小: 863\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4502\n",
+      "划分后的训练集大小: 4502, 验证集大小: 894\n",
+      "原始训练集大小:  4484\n",
+      "划分后的训练集大小: 4484, 验证集大小: 878\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4471\n",
+      "划分后的训练集大小: 4471, 验证集大小: 911\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4446\n",
+      "划分后的训练集大小: 4446, 验证集大小: 900\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4512\n",
+      "划分后的训练集大小: 4512, 验证集大小: 929\n",
+      "[100]\ttrain's ndcg@1: 0.918006\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4523\n",
+      "划分后的训练集大小: 4523, 验证集大小: 905\n",
+      "原始训练集大小:  4552\n",
+      "划分后的训练集大小: 4552, 验证集大小: 907\n",
+      "原始训练集大小:  4568\n",
+      "划分后的训练集大小: 4568, 验证集大小: 927\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.898615\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4603\n",
+      "划分后的训练集大小: 4603, 验证集大小: 935\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4604\n",
+      "划分后的训练集大小: 4604, 验证集大小: 930\n",
+      "原始训练集大小:  4603\n",
+      "划分后的训练集大小: 4603, 验证集大小: 904\n",
+      "[100]\ttrain's ndcg@1: 0.898615\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4585\n",
+      "划分后的训练集大小: 4585, 验证集大小: 889\n",
+      "[100]\ttrain's ndcg@1: 0.858726\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4597\n",
+      "划分后的训练集大小: 4597, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4576\n",
+      "划分后的训练集大小: 4576, 验证集大小: 926\n",
+      "原始训练集大小:  4580\n",
+      "划分后的训练集大小: 4580, 验证集大小: 918\n",
+      "原始训练集大小:  4614\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "划分后的训练集大小: 4614, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 0.918006\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4639\n",
+      "划分后的训练集大小: 4639, 验证集大小: 914\n",
+      "原始训练集大小:  4619\n",
+      "划分后的训练集大小: 4619, 验证集大小: 919\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4618\n",
+      "划分后的训练集大小: 4618, 验证集大小: 917\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4621\n",
+      "划分后的训练集大小: 4621, 验证集大小: 929\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4597\n",
+      "划分后的训练集大小: 4597, 验证集大小: 918\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4599\n",
+      "划分后的训练集大小: 4599, 验证集大小: 916\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4635\n",
+      "划分后的训练集大小: 4635, 验证集大小: 929\n",
+      "原始训练集大小:  4623\n",
+      "划分后的训练集大小: 4623, 验证集大小: 943\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4611\n",
+      "划分后的训练集大小: 4611, 验证集大小: 905\n",
+      "[100]\ttrain's ndcg@1: 0.941828\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4610\n",
+      "划分后的训练集大小: 4610, 验证集大小: 917\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4611\n",
+      "划分后的训练集大小: 4611, 验证集大小: 928\n",
+      "原始训练集大小:  4626\n",
+      "划分后的训练集大小: 4626, 验证集大小: 932\n",
+      "原始训练集大小:  4620\n",
+      "划分后的训练集大小: 4620, 验证集大小: 938\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.918006\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4619\n",
+      "划分后的训练集大小: 4619, 验证集大小: 904\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4625\n",
+      "划分后的训练集大小: 4625, 验证集大小: 915\n",
+      "原始训练集大小:  4642\n",
+      "划分后的训练集大小: 4642, 验证集大小: 940\n",
+      "原始训练集大小:  4587\n",
+      "划分后的训练集大小: 4587, 验证集大小: 890\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4554\n",
+      "划分后的训练集大小: 4554, 验证集大小: 905\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4596\n",
+      "划分后的训练集大小: 4596, 验证集大小: 946\n",
+      "原始训练集大小:  4607\n",
+      "划分后的训练集大小: 4607, 验证集大小: 926\n",
+      "原始训练集大小:  4596\n",
+      "划分后的训练集大小: 4596, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4619\n",
+      "划分后的训练集大小: 4619, 验证集大小: 902\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4668\n",
+      "划分后的训练集大小: 4668, 验证集大小: 954\n",
+      "[100]\ttrain's ndcg@1: 0.839335\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4666\n",
+      "划分后的训练集大小: 4666, 验证集大小: 944\n",
+      "原始训练集大小:  4669\n",
+      "划分后的训练集大小: 4669, 验证集大小: 943\n",
+      "原始训练集大小:  4696\n",
+      "划分后的训练集大小: 4696, 验证集大小: 953\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 0.800554\n",
+      "[100]\ttrain's ndcg@1: 0.898615\tvalid's ndcg@1: 0.800554\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4720\n",
+      "划分后的训练集大小: 4720, 验证集大小: 926\n",
+      "[100]\ttrain's ndcg@1: 0.92133\tvalid's ndcg@1: 0.709141\n",
+      "原始训练集大小:  4642\n",
+      "划分后的训练集大小: 4642, 验证集大小: 910\n",
+      "原始训练集大小:  4676\n",
+      "划分后的训练集大小: 4676, 验证集大小: 910\n",
+      "原始训练集大小:  4552\n",
+      "划分后的训练集大小: 4552, 验证集大小: 853\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.900831\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4527\n",
+      "划分后的训练集大小: 4527, 验证集大小: 928\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4551\n",
+      "划分后的训练集大小: 4551, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4589\n",
+      "划分后的训练集大小: 4589, 验证集大小: 948\n",
+      "原始训练集大小:  4614\n",
+      "划分后的训练集大小: 4614, 验证集大小: 935\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4677\n",
+      "划分后的训练集大小: 4677, 验证集大小: 916\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4700\n",
+      "划分后的训练集大小: 4700, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4695\n",
+      "划分后的训练集大小: 4695, 验证集大小: 948\n",
+      "原始训练集大小:  4695\n",
+      "划分后的训练集大小: 4695, 验证集大小: 945\n",
+      "原始训练集大小:  4710\n",
+      "划分后的训练集大小: 4710, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 0.898615\tvalid's ndcg@1: 0.800554\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.939612\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4723\n",
+      "划分后的训练集大小: 4723, 验证集大小: 929\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4704\n",
+      "划分后的训练集大小: 4704, 验证集大小: 932\n",
+      "原始训练集大小:  4703\n",
+      "划分后的训练集大小: 4703, 验证集大小: 943\n",
+      "原始训练集大小:  4708\n",
+      "划分后的训练集大小: 4708, 验证集大小: 949\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4703\n",
+      "划分后的训练集大小: 4703, 验证集大小: 950\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4733\n",
+      "划分后的训练集大小: 4733, 验证集大小: 943\n",
+      "原始训练集大小:  4723\n",
+      "划分后的训练集大小: 4723, 验证集大小: 939\n",
+      "原始训练集大小:  4722\n",
+      "划分后的训练集大小: 4722, 验证集大小: 948\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4722\n",
+      "划分后的训练集大小: 4722, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4722\n",
+      "划分后的训练集大小: 4722, 验证集大小: 947\n",
+      "原始训练集大小:  4721\n",
+      "划分后的训练集大小: 4721, 验证集大小: 942\n",
+      "原始训练集大小:  4730\n",
+      "划分后的训练集大小: 4730, 验证集大小: 948\n",
+      "原始训练集大小:  4723\n",
+      "划分后的训练集大小: 4723, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 0.92133\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4739\n",
+      "划分后的训练集大小: 4739, 验证集大小: 951\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 942\n",
+      "原始训练集大小:  4721\n",
+      "划分后的训练集大小: 4721, 验证集大小: 933\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 942\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4686\n",
+      "划分后的训练集大小: 4686, 验证集大小: 918\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4679\n",
+      "划分后的训练集大小: 4679, 验证集大小: 936\n",
+      "原始训练集大小:  4676\n",
+      "划分后的训练集大小: 4676, 验证集大小: 941\n",
+      "原始训练集大小:  4664\n",
+      "划分后的训练集大小: 4664, 验证集大小: 927\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.938504\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4647\n",
+      "划分后的训练集大小: 4647, 验证集大小: 925\n",
+      "[100]\ttrain's ndcg@1: 0.960111\tvalid's ndcg@1: 0.800554\n",
+      "原始训练集大小:  4671\n",
+      "划分后的训练集大小: 4671, 验证集大小: 942\n",
+      "原始训练集大小:  4625\n",
+      "划分后的训练集大小: 4625, 验证集大小: 895\n",
+      "原始训练集大小:  4583\n",
+      "划分后的训练集大小: 4583, 验证集大小: 894\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.924654\tvalid's ndcg@1: 0.623269\n",
+      "[100]\ttrain's ndcg@1: 0.900831\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4595\n",
+      "划分后的训练集大小: 4595, 验证集大小: 939\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4581\n",
+      "划分后的训练集大小: 4581, 验证集大小: 934\n",
+      "原始训练集大小:  4589\n",
+      "划分后的训练集大小: 4589, 验证集大小: 919\n",
+      "原始训练集大小:  4620\n",
+      "划分后的训练集大小: 4620, 验证集大小: 934\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.941828\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.941828\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4662\n",
+      "划分后的训练集大小: 4662, 验证集大小: 936\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4663\n",
+      "划分后的训练集大小: 4663, 验证集大小: 940\n",
+      "原始训练集大小:  4695\n",
+      "划分后的训练集大小: 4695, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 0.897507\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4705\n",
+      "划分后的训练集大小: 4705, 验证集大小: 944\n",
+      "原始训练集大小:  4716\n",
+      "划分后的训练集大小: 4716, 验证集大小: 945\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4731\n",
+      "划分后的训练集大小: 4731, 验证集大小: 951\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4742\n",
+      "划分后的训练集大小: 4742, 验证集大小: 951\n",
+      "原始训练集大小:  4735\n",
+      "划分后的训练集大小: 4735, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4733\n",
+      "划分后的训练集大小: 4733, 验证集大小: 942\n",
+      "原始训练集大小:  4710\n",
+      "划分后的训练集大小: 4710, 验证集大小: 922\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 0.897507\n",
+      "原始训练集大小:  4669\n",
+      "划分后的训练集大小: 4669, 验证集大小: 910\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4634\n",
+      "划分后的训练集大小: 4634, 验证集大小: 916\n",
+      "[100]\ttrain's ndcg@1: 0.959003\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4630\n",
+      "划分后的训练集大小: 4630, 验证集大小: 940\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4632\n",
+      "划分后的训练集大小: 4632, 验证集大小: 944\n",
+      "[100]\ttrain's ndcg@1: 0.979501\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  3735\n",
+      "划分后的训练集大小: 3735, 验证集大小: 935\n",
+      "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n",
+      "原始训练集大小:  4645\n",
+      "划分后的训练集大小: 4645, 验证集大小: 935\n",
       "[100]\ttrain's ndcg@1: 1\tvalid's ndcg@1: 1\n"
      ]
     }
    ],
-   "execution_count": 57
+   "execution_count": 97
   },
   {
    "cell_type": "code",
    "id": "10f15e935aa02a34",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T16:19:43.465583Z",
-     "start_time": "2025-04-04T16:19:43.152412Z"
+     "end_time": "2025-04-05T07:43:21.878713Z",
+     "start_time": "2025-04-05T07:43:21.581441Z"
     }
    },
    "source": [
@@ -3271,40 +3264,38 @@
      ]
     }
    ],
-   "execution_count": 58
+   "execution_count": 98
   },
   {
    "cell_type": "code",
    "id": "0dc75517-c857-4f1d-8815-e807400a6d33",
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T16:19:44.635596Z",
-     "start_time": "2025-04-04T16:19:43.470589Z"
+     "end_time": "2025-04-05T07:43:22.271567Z",
+     "start_time": "2025-04-05T07:43:21.878713Z"
     }
    },
    "source": [
     "train_data = pdf[filter_index & (pdf['trade_date'] == '2023-01-03')]\n",
-    "# train_data = train_data.dropna(subset=feature_columns)\n",
-    "# train_data = train_data.dropna(subset=['label'])\n",
-    "train_data = train_data.reset_index(drop=True)\n",
-    "print(len(train_data))\n"
+    "# train_data = train_data.reset_index(drop=True)\n",
+    "print(len(train_data))"
    ],
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "384\n"
+      "989\n"
      ]
     }
    ],
-   "execution_count": 59
+   "execution_count": 99
   },
   {
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2025-04-04T16:19:44.702376Z",
-     "start_time": "2025-04-04T16:19:44.686995Z"
+     "end_time": "2025-04-05T07:43:22.337193Z",
+     "start_time": "2025-04-05T07:43:22.321111Z"
     }
    },
    "cell_type": "code",
@@ -3363,26 +3354,26 @@
      "output_type": "stream",
      "text": [
       "### 各因子 NaN 值占比 ###\n",
-      "mv_growth                          2.864583\n",
-      "industry_rank_act_factor3          0.781250\n",
-      "industry_act_factor2               0.781250\n",
-      "std_return_90 - std_return_90_2    0.781250\n",
-      "industry_obv                       0.781250\n",
-      "                                     ...   \n",
-      "cat_vol_spike                      0.000000\n",
-      "up                                 0.000000\n",
-      "down                               0.000000\n",
-      "obv-maobv_6                        0.000000\n",
-      "vol                                0.000000\n",
+      "mv_growth         1.617796\n",
+      "volume_growth     0.808898\n",
+      "low_cost_dev      0.808898\n",
+      "asymmetry         0.808898\n",
+      "liquidity_risk    0.707786\n",
+      "                    ...   \n",
+      "up                0.000000\n",
+      "down              0.000000\n",
+      "obv-maobv_6       0.000000\n",
+      "act_factor1       0.000000\n",
+      "vol               0.000000\n",
       "Length: 88, dtype: float64\n",
       "\n",
       "\n",
       "### 包含 NaN 值最多的前 5 个因子 ###\n",
-      "mv_growth                    2.864583\n",
-      "industry_rank_act_factor3    0.781250\n",
-      "industry_obv                 0.781250\n",
-      "industry_rank_act_factor2    0.781250\n",
-      "industry_rank_act_factor1    0.781250\n",
+      "mv_growth        1.617796\n",
+      "asymmetry        0.808898\n",
+      "low_cost_dev     0.808898\n",
+      "volume_growth    0.808898\n",
+      "winner_rate      0.707786\n",
       "dtype: float64\n",
       "\n",
       "\n",
@@ -3390,51 +3381,51 @@
       "\n",
       "每日 NaN 值数量:\n",
       "trade_date\n",
-      "2023-01-03    11\n",
+      "2023-01-03    16\n",
       "Name: mv_growth, dtype: int64\n",
       "------------------------------\n",
       "\n",
       "\n",
-      "### 因子 'industry_rank_act_factor3' 的 NaN 值分析 ###\n",
+      "### 因子 'asymmetry' 的 NaN 值分析 ###\n",
       "\n",
       "每日 NaN 值数量:\n",
       "trade_date\n",
-      "2023-01-03    3\n",
-      "Name: industry_rank_act_factor3, dtype: int64\n",
+      "2023-01-03    8\n",
+      "Name: asymmetry, dtype: int64\n",
       "------------------------------\n",
       "\n",
       "\n",
-      "### 因子 'industry_obv' 的 NaN 值分析 ###\n",
+      "### 因子 'low_cost_dev' 的 NaN 值分析 ###\n",
       "\n",
       "每日 NaN 值数量:\n",
       "trade_date\n",
-      "2023-01-03    3\n",
-      "Name: industry_obv, dtype: int64\n",
+      "2023-01-03    8\n",
+      "Name: low_cost_dev, dtype: int64\n",
       "------------------------------\n",
       "\n",
       "\n",
-      "### 因子 'industry_rank_act_factor2' 的 NaN 值分析 ###\n",
+      "### 因子 'volume_growth' 的 NaN 值分析 ###\n",
       "\n",
       "每日 NaN 值数量:\n",
       "trade_date\n",
-      "2023-01-03    3\n",
-      "Name: industry_rank_act_factor2, dtype: int64\n",
+      "2023-01-03    8\n",
+      "Name: volume_growth, dtype: int64\n",
       "------------------------------\n",
       "\n",
       "\n",
-      "### 因子 'industry_rank_act_factor1' 的 NaN 值分析 ###\n",
+      "### 因子 'winner_rate' 的 NaN 值分析 ###\n",
       "\n",
       "每日 NaN 值数量:\n",
       "trade_date\n",
-      "2023-01-03    3\n",
-      "Name: industry_rank_act_factor1, dtype: int64\n",
+      "2023-01-03    7\n",
+      "Name: winner_rate, dtype: int64\n",
       "------------------------------\n",
       "\n",
       "\n"
      ]
     }
    ],
-   "execution_count": 60
+   "execution_count": 100
   }
  ],
  "metadata": {