[Stanford] Statistical Learning Week7 讨论作业帖

Chapter 8 Tree-Based Methods

这周编程题好少

Week 7~

这周题貌似有点水，但讲得还是不错的，还有两周啦，自己多看看书咯。

P.S. 申请结果还有一半多没出啊！！！求好运～求Offer～

week 7交作业

Week 7 done.

还没有过截止时间版主为神马不给加分了。。。。

求问：
You have a bag of marbles with 64 red marbles and 36 blue marbles.
What is the value of the Gini Index for that bag? Give your answer to the nearest hundredth:
What is the value of the Cross-Entropy? Give your answer to the nearest hundredth:

这个怎么算。。。谢谢！

You have a bag of marbles with 64 red marbles and 36 blue marbles.  What is the value of the Gini Index for that bag? Give your answer to the nearest hundredth: