特征工程

转至博文:http://www.cnblogs.com/jasonfreak/p/5448385.html
知乎问答:https://www.zhihu.com/question/29316149
 归一化,正则化:http://blog.csdn.net/u012102306/article/details/51940147
 卡方检验:http://blog.csdn.net/sunshine_in_moon/article/details/45155803
 
 

转载于:https://www.cnblogs.com/zhangbojiangfeng/p/6029257.html

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