摘要: https://tracholar.github.io/machine-learning/2018/01/26/auc.html select (ry - 0.5*n1*(n1+1))/n0/n1 as aucfrom( select sum(if(y=0, 1, 0)) as n0, --50 s 阅读全文
posted @ 2019-04-02 18:39 change_world 阅读(2305) 评论(0) 推荐(0) 编辑