active_inference_basic.py 文件源码

def plot_scattermatrix(df, title = "plot_scattermatrix"):
    """plot a scattermatrix of dataframe df"""
    if df is None:
        print "plot_scattermatrix: no data passed"
        return

    from pandas.tools.plotting import scatter_matrix
    # df = pd.DataFrame(X, columns=['x1_t', 'x2_t', 'x1_tptau', 'x2_tptau', 'u_t'])
    # scatter_data_raw = np.hstack((np.array(Xs), np.array(Ys)))
    # scatter_data_raw = np.hstack((Xs, Ys))
    # print "scatter_data_raw", scatter_data_raw.shape

    pl.ioff()
    # df = pd.DataFrame(scatter_data_raw, columns=["x_%d" % i for i in range(scatter_data_raw.shape[1])])
    sm = scatter_matrix(df, alpha=0.2, figsize=(10, 10), diagonal='hist')
    fig = sm[0,0].get_figure()
    fig.suptitle(title)
    if SAVEPLOTS:
        fig.savefig("fig_%03d_scattermatrix.pdf" % (fig.number), dpi=300)
    fig.show()
    # pl.show()