使用“statsmodels”的正常 QQ 图中的置信区间

Question

I would like to do draw 95% confidence interval in python using statsmodels , but qqplot() doesn't have this option.

If it's not possible, math equation is also acceptable so that I can simply add it to the plot on my own.

import numpy as np
import statsmodels.api as sm
import matplotlib.pyplot as plt

data = np.random.normal(5, 10, 100)
fig = sm.ProbPlot(data, fit=True).qqplot()
plt.show()

There is an implementation in R that I found on the internet, but I am not familiar with R ...

Answer 1

Thepingouin package has a function to create a qqplot with confidence interval lines. This would do the trick:

import numpy as np
import pingouin as pg

data = np.random.normal(5, 10, 100)
ax = pg.qqplot(data, dist='norm', confidence=.95)