loc选择数据 

merge_cols = ['risk_factor'

pd.merge(sensis, self.risk_weights.loc[self.risk_weights['risk_type'] == self.risk_type,
                                              merge_cols + ['risk_weight']], on=merge_cols, how='left')
posted @ 2021-12-22 19:25  ivyJ  阅读(40)  评论(0)    收藏  举报