6.2 DBSCAN.py 文件源码

def test_DBSCAN(*data):
    '''
    test the DBSCAN method
    :param data:  train, target
    :return: None
    '''
    X,labels_true=data
    clst=cluster.DBSCAN()
    predicted_labels=clst.fit_predict(X)
    print("ARI:%s"% adjusted_rand_score(labels_true,predicted_labels))
    print("Core sample num:{0}".format(len(clst.core_sample_indices_)))