model_analysis.py 文件源码

def model_accuracy(results, scatter_lims, error_density_lims, output_file):
        f, (ax1, ax2) = plt.subplots(1, 2, figsize=(20, 10))
        ax1.scatter(results['actuals'], results['estimates'])
        max_point = results[['actuals', 'estimates']].max().max()
        ax1.plot([0, max_point], [0, max_point])
        ax1.set_xlim(scatter_lims)
        ax1.set_ylim(scatter_lims)

        density = gaussian_kde(results['error'][results['estimates']>0])
        x = np.linspace(error_density_lims[0], error_density_lims[1], 10000)
        ax2.plot(x, density(x))

        plt.savefig(output_file)