test_visualization.py 文件源码

def test_graph_simple():
    data, labels = make_circles(n_samples=2000, noise=0.03, factor=0.3)
    params = {'coverer__intervals': 10,
              'coverer__overlap': 0.1,
              'clusterer__min_samples': 3,
              'clusterer__eps': 0.5}
    m = Mapper(params=params)
    scaled_data = MinMaxScaler().fit_transform(data)
    m.fit(data, scaled_data)
    categories = {"labels": labels}
    scales = {"y[0]": scaled_data[:, 0],
              "y[1]": scaled_data[:, 1]}

    json_graph_str = json_graph(m, categories, scales)
    # check if it can be loaded to validate html
    json_graph_dict = json.loads(json_graph_str)
    html_graph_str = html_graph(m, categories, scales)  # validate HTML?