Python _mean_of_squares示例

示例#1

文件： test_signal.py 项目： xuesn/nilearn

def test_mean_of_squares():
    """Test _mean_of_squares."""
    n_samples = 11
    n_features = 501  # Higher than 500 required
    signals, _, _ = generate_signals(n_features=n_features,
                                     length=n_samples,
                                     same_variance=True)
    # Reference computation
    var1 = np.copy(signals)
    var1 **= 2
    var1 = var1.mean(axis=0)

    var2 = nisignal._mean_of_squares(signals)

    np.testing.assert_almost_equal(var1, var2)

示例#2

文件： test_signal.py 项目： bcipolli/nilearn

def test_mean_of_squares():
    """Test _mean_of_squares."""
    n_samples = 11
    n_features = 501  # Higher than 500 required
    signals, _, _ = generate_signals(n_features=n_features,
                                     length=n_samples,
                                     same_variance=True)
    # Reference computation
    var1 = np.copy(signals)
    var1 **= 2
    var1 = var1.mean(axis=0)

    var2 = nisignal._mean_of_squares(signals)

    np.testing.assert_almost_equal(var1, var2)