演示直方图函数的不同histtype设置
- 具有颜色填充的步进曲线的直方图。
- 具有自定义和不相等的箱宽度的直方图。
选择不同的存储量和大小会显著影响直方图的形状。Astropy文档有很多关于如何选择这些参数的部分: http://docs.astropy.org/en/stable/visualization/histogram.html

import numpy as npimport matplotlib.pyplot as pltnp.random.seed(19680801)mu = 200sigma = 25x = np.random.normal(mu, sigma, size=100)fig, (ax0, ax1) = plt.subplots(ncols=2, figsize=(8, 4))ax0.hist(x, 20, density=True, histtype='stepfilled', facecolor='g', alpha=0.75)ax0.set_title('stepfilled')# Create a histogram by providing the bin edges (unequally spaced).bins = [100, 150, 180, 195, 205, 220, 250, 300]ax1.hist(x, bins, density=True, histtype='bar', rwidth=0.8)ax1.set_title('unequal bins')fig.tight_layout()plt.show()
