How to connect markers of probability plot with lines

Question content

I am using python version 3.11.1 and I created a probability plot using matplotlib.pyplot using the code below. I want to automatically connect markers with a line, but probplot's documentation doesn't seem to have an option to connect them.

This is my sample code:

import numpy as np
from scipy import stats
import matplotlib.pyplot as plt

nsample = 20
np.random.seed(100)

fig = plt.figure()
ax = fig.add_subplot(111)
x = stats.t.rvs(3, size=nsample)
res = stats.probplot(x, plot=plt)

ax.get_lines()[0].set_markeredgecolor('b')
ax.get_lines()[0].set_markerfacecolor('b')

plt.show()

This is the picture generated by the sample code:

Here is the plot with markers connected to the "Hand Draw" line to show you everything I need the code to do automatically.

Correct answer

Since the result actually seems to give the coordinates of the point, you can simply use:

ax.plot(*res[0])

...or better yet, just create the entire plot yourself and then you have full control over how to style it:

import numpy as np
from scipy import stats
import matplotlib.pyplot as plt

nsample = 20
np.random.seed(100)

x = stats.t.rvs(3, size=nsample)
(res_x, res_y), (slope, intercept, r) = stats.probplot(x)

f, ax = plt.subplots()
ax.plot(res_x, res_y, c="b", marker="o")
ax.plot(res_x, intercept + slope * res_x, c="r")

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