熊猫
merge只支持等联接。您需要添加第二步来过滤结果，如下所示：
joined_df = df1.merge(df2, how='left', on=['name', 'city'])joined_df = joined_df[joined_df.year > joined_df.year_min]
熊猫
merge只支持等联接。您需要添加第二步来过滤结果，如下所示：
joined_df = df1.merge(df2, how='left', on=['name', 'city'])joined_df = joined_df[joined_df.year > joined_df.year_min]
名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
