feature-selection

Feature engineering from Wechat official account

https://mp.weixin.qq.com/s?__biz=MzI1MTM2MDA1MA==&mid=2247486973&idx=1&sn=f8434834a9ffa5e83ce6bb6de2f6f94b&chksm=e9f56ba0de82e2b668e7a97b71ee61e4d4e1b3216b469b363dcc6df1a0167e96aae07cd25be3&scene=21#wechat_redirect