简单预测

import matplotlib.pyplot as plt
import numpy as np

gold, chihh = 400, 400

gold_height = 40 + 10 * np.random.randn(gold)
chihh_height = 25 + 6 * np.random.randn(chihh)

plt.hist([gold_height, chihh_height], stacked=True, color=['r','b'])
plt.show()

image.png