6isotonic_regression.py 文件源码

def show_isotonic_regression_segments(X, Y, Yi, segments):
    lc = LineCollection(segments, zorder=0)
    lc.set_array(np.ones(len(Y)))
    lc.set_linewidths(0.5 * np.ones(nb_samples))

    fig, ax = plt.subplots(1, 1, figsize=(30, 25))

    ax.plot(X, Y, 'b.', markersize=8)
    ax.plot(X, Yi, 'g.-', markersize=8)
    ax.grid()
    ax.set_xlabel('X')
    ax.set_ylabel('Y')

    plt.show()