TianChi_YiDongTuiJian_forecast 移动推荐新手实战赛学习代码 数据来源：https://tianchi.aliyun.com/getStart/information.htm?spm=5176.100067.5678.2.1c6d07a1VVnSTt&raceId=231522 运行说明： 1.run ./Preprocess/Drop_Day_and_sub_item.py 2.run ./feature/extract_feture.py 模型线上F1大约10.6%