5.5 LLE.py 文件源码

def test_LocallyLinearEmbedding(*data):
    '''
    test the LLE method
    :param data: train_data, train_value
    :return: None
    '''
    X,y=data
    for n in [4,3,2,1]:
        lle=manifold.LocallyLinearEmbedding(n_components=n)
        lle.fit(X)
        print('reconstruction_error(n_components=%d) : %s'%
            (n, lle.reconstruction_error_))