ts_code trade_date  log_circ_mv
0      600306.SH 2020-01-02    11.552040
1      603269.SH 2020-01-02    11.324801
2      002633.SZ 2020-01-02    11.759023
3      603991.SH 2020-01-02    11.181150
4      000691.SZ 2020-01-02    11.677910
...          ...        ...          ...
36395  600615.SH 2022-12-30    12.027909
36396  603829.SH 2022-12-30    12.034572
36397  603037.SH 2022-12-30    12.035767
36398  002767.SZ 2022-12-30    11.896427
36399  600561.SH 2022-12-30    11.858571


train data size:  36400
         ts_code trade_date  log_circ_mv
0      600306.SH 2020-01-02    11.552040
1      603269.SH 2020-01-02    11.324801
2      002633.SZ 2020-01-02    11.759023
3      603991.SH 2020-01-02    11.181150
4      000691.SZ 2020-01-02    11.677910
...          ...        ...          ...
36395  600615.SH 2022-12-30    12.027909
36396  603829.SH 2022-12-30    12.034572
36397  603037.SH 2022-12-30    12.035767
36398  002767.SZ 2022-12-30    11.896427
36399  600561.SH 2022-12-30    11.858571