generate_feature_2.py 文件源码

def test():
    #??????????????????????
    before_2_days_feature = pd.read_csv(one_before_2_days_feature_path)
    before_4_days_feature = pd.read_csv(one_before_4_days_feature_path)
    before_6_days_feature = pd.read_csv(one_before_6_days_feature_path)
    before_8_days_feature = pd.read_csv(one_before_8_days_feature_path)
    # ????
    print u'??????????',before_2_days_feature.shape
    print u'??????????',before_4_days_feature.shape
    print u'??????????',before_6_days_feature.shape
    print u'??????????',before_8_days_feature.shape

    # ????????????


    new_data_df1 = pd.merge(before_2_days_feature, before_4_days_feature, on=['user_id','sku_id'], how='outer')
    new_data_df2 = pd.merge(before_6_days_feature, before_8_days_feature, on=['user_id','sku_id'], how='outer')
    new_data_df = pd.merge(new_data_df1, new_data_df2, on=['user_id','sku_id'], how='outer')