foxchopin的博客

sx10.11.1 上面sudo pip install ipython时出现的问题。f executing pip with sudo, you may want sudo's -H flag.

from sklearn import datasetsx,y = datasets.make_classification(1000,20,n_informative = 3)from sklearn.tree import DecisionTreeClassifierdt = DecisionTreeClassifier()dt.fit(x,y)from StringIO import