交叉验证 交叉熵
可参考:https://blog.csdn.net/jiaobei2354717/article/details/39048119
https://zhuanlan.zhihu.com/p/143924665
交叉验证 :http://blog.sina.com.cn/s/blog_49c7131d0100s7lc.html
交叉熵and互信息: http://www.cnblogs.com/zhangchaoyang
http://www.cnblogs.com/zhangchaoyang/articles/2655785.html
原文链接:https://blog.csdn.net/jiaobei2354717/article/details/39048119