File:Diagramme qq python matplotlib.svg
Summary
| Description |
Français : Diagramme quantile-quantile d'un échantillon aléatoire de 100 valeurs avec une loi normale centrée réduite.
English: QQ-plot of a sample of 100 values with a normal law. |
| Date | |
| Source | Own work |
| Author | Cdang |
import numpy as np
from scipy import stats
import matplotlib.pyplot as plt
X = stats.norm.rvs(size=100)
p = np.arange(0.1, 1, 0.1)
qexp = np.quantile(X, p)
qth = stats.norm.ppf(p)
extr = stats.norm.ppf([0.1, 0.9])
plt.plot(extr, extr, "--r")
plt.plot(qth, qexp, "*")
plt.title("diagramme quantiles-quantiles")
plt.xlabel("quantiles théoriques")
plt.ylabel("quantiles expérimentaux")
plt.savefig("diagramme_qq_python_matplotlib.svg")
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