缺失数据的处理【免费】

好好学习一下

Thanks. I am taking the course of missing data analysis~

好东西，要学的啊

支持一下。。。

感谢分享资料~~~~~

楼主好人啊

多谢楼主有劳了

感谢………………

Let me try to give a summary, there are three basic methods to treat missing vales:

1.ignore the record withing missing vales(that is , delete the record );
2.substitude a value (such as mode,mean,...user-defined value);
3.impute the missing;

学习，谢谢分享