feat(training): 添加缺失值填充处理器 NullFiller
新增 NullFiller 处理器,支持 zero/mean/median/value 填充策略, 支持全局统计量或按日期截面填充。在回归训练流程中添加 NullFiller。
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@@ -26,6 +26,7 @@ from src.training.components.selectors import (
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# 数据处理器
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from src.training.components.processors import (
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CrossSectionalStandardScaler,
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NullFiller,
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StandardScaler,
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Winsorizer,
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)
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@@ -57,6 +58,7 @@ __all__ = [
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"StockFilterConfig",
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"MarketCapSelectorConfig",
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# 数据处理器
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"NullFiller",
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"StandardScaler",
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"CrossSectionalStandardScaler",
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"Winsorizer",
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