hist_scipy.py 文件源码

def display_histogram_scipy(bench, mean, bins):
    values = bench.get_values()
    values = sorted(values)

    if mean:
        fit = stats.norm.pdf(values, bench.mean(), bench.stdev())
        pylab.plot(values, fit, '-o', label='mean-stdev')
    else:
        fit = stats.norm.pdf(values, bench.mean(), bench.stdev())
        pylab.plot(values, fit, '-o', label='mean-stdev')

    plt.legend(loc='upper right', shadow=True, fontsize='x-large')
    pylab.hist(values, bins=bins, normed=True)
    pylab.show()