LASSO 回归筛选变量

依旧是搬运
看到好的文章就记录下来
https://mp.weixin.qq.com/s?__biz=Mzg5NjE1NTc1OA==&mid=2247485316&idx=1&sn=fc3f78d7b10f0eec5022b359d4128e97&scene=21#wechat_redirect