test_multioutput.py 文件源码

 复制代码def test_multi_target_regression_one_target():
    # Test multi target regression raises
    X, y = datasets.make_regression(n_targets=1)
    X_train, y_train = X[:50], y[:50]
    X_test, y_test = X[50:], y[50:]

    rgr = MultiOutputRegressor(GradientBoostingRegressor(random_state=0))
    assert_raises(ValueError, rgr.fit, X_train, y_train)