python画误差棒/带

1画误差棒

import matplotlib.pyplot as plt
import numpy as np
import pandas as pd

error = np.random.randn(10)
print(error)
x = np.arange(10)
y = pd.Series(np.sin(x))
print(y)
y.plot(yerr=error)
plt.show()

[-1.14921952 -0.67412246  1.31875635 -1.2853136   0.38329709  0.46545373
  0.28505468  2.84261091  1.44255044  2.16625766]
0    0.000000
1    0.841471
2    0.909297
3    0.141120
4   -0.756802
5   -0.958924
6   -0.279415
7    0.656987
8    0.989358
9    0.412118
dtype: float64

2画误差带

2.1 利用ax

2.2 直接用plt