test_birch.py 文件源码

def test_threshold():
    # Test that the leaf subclusters have a threshold lesser than radius
    X, y = make_blobs(n_samples=80, centers=4)
    brc = Birch(threshold=0.5, n_clusters=None)
    brc.fit(X)
    check_threshold(brc, 0.5)

    brc = Birch(threshold=5.0, n_clusters=None)
    brc.fit(X)
    check_threshold(brc, 5.)