tests.py 文件源码

def test_relieff_pipeline_parallel():
    """Ensure that ReliefF works in a sklearn pipeline where cross_val_score is parallelized"""
    np.random.seed(49082)

    clf = make_pipeline(ReliefF(n_features_to_select=2, n_neighbors=100),
                        RandomForestClassifier(n_estimators=100, n_jobs=-1))

    assert np.mean(cross_val_score(clf, features, labels, cv=3, n_jobs=-1)) > 0.7