数据可视化之matplotlib实战:plt.stem()函数 绘制棉棒图
import matplotlib.pyplot as pltimport numpy as npx = np.linspace(0.5,2*np.pi,20)y = np.random.randn(20)plt.stem(x,y,linefmt="-.",markerfmt="o",basefmt="-")plt.show()
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import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(0.5,2*np.pi,20)
y = np.random.randn(20)
plt.stem(x,y,linefmt="-.",markerfmt="o",basefmt="-")
plt.show()

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