test_feature_select.py 文件源码

def test_f_oneway_ints():
    # Smoke test f_oneway on integers: that it does raise casting errors
    # with recent numpys
    rng = np.random.RandomState(0)
    X = rng.randint(10, size=(10, 10))
    y = np.arange(10)
    fint, pint = f_oneway(X, y)

    # test that is gives the same result as with float
    f, p = f_oneway(X.astype(np.float), y)
    assert_array_almost_equal(f, fint, decimal=4)
    assert_array_almost_equal(p, pint, decimal=4)