- Use filter_result, score_result in factor_df and result_df for Transformer and Accumulator more reusable, chainable - Add keep target in TargetSelector - improve ml - factor trading signal could be showed directly
0.9.9
- fix stock meta missing kechuang block from exchange
- fill list_date of block from kdata
0.9.8
1)fix block kdata recorder issue 2)basic flow for ml and tag
0.9.7
- update en docs - improve index data
0.9.6
- add code arg to record_data - add em entity info api - update docs