pipe a stream of numbers into this script, get a nice plot of the cdf :)

plotcdf.py

#!/usr/bin/env python3

# plot the cumulative distribution function of bunch of numbers

import numpy as np
import matplotlib.pyplot as pl

A = np.loadtxt('/dev/stdin', delimiter=',')

assert len(A.shape) == 1, f'Data must be one-dimensional but has shape {A.shape}'

A = np.sort(A)
ps = np.linspace(0, 1, A.shape[0])

pl.plot(A, ps)

pl.ylabel('$P(X \leq x)$')
pl.xlabel('x')
pl.ylim([-.05, 1.05])
pl.grid('on')
pl.show()

so cool! this literally changed my life

mbjd, you are the lord and saviour!