decomposition.py 文件源码

def de_c2(X,y):
    dim  = X.shape[1]
    de   = min(2000,dim) 
    clf  = SelectKBest(chi2, k = de)
    clf.fit(X,y)
    def _func(X1,X2):
        return clf.transform(X1),clf.transform(X2)
    return _func