sk_feature_process.py 文件源码

def test_normalizer():
    from sklearn.preprocessing import Normalizer
    arr = np.array([[3, -1],
                    [-4, 2]])

    print Normalizer().fit_transform(arr)
    # [[ 0.9486833  -0.31622777]
    #  [-0.89442719  0.4472136 ]]