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https://classroom.udacity.com/nanodegrees/nd009/parts/0091345404/modules/6a945ec8-573e-4a60-8d6b-a0fed6abed44/lessons/5450810003/concepts/24402485560923
邦族文档
帮助文档http://scikit-learn.org/stable/modules/generated/sklearn.tree.DecisionTreeClassifier.html
此处求得不是熵，是概率
import scipy.stats
print scipy.stats.entropy([2,1],base=2)
posted on 2017-01-04 20:06 Betty__2017 阅读(200) 评论(0) 编辑 收藏 举报
