sklearn01

1. sklearn.cross_validation import  train_test_split的cross_validation模块在0.18版本中被弃用，现在已经被model_selection代替。from sklearn.model_selection import train_test_split 
   

2. from sklearn.lda import LDA
   from sklearn.qda import QDA
   改为：

   from sklearn.discriminant_analysis import LinearDiscriminantAnalysis as LDA
   from sklearn.discriminant_analysis import QuadraticDiscriminantAnalysis as QDA

3. numpy
4. matplot