import matplotlib.pyplot as plt
numargs = logistic.numargs
[ ] = [0.9,] * numargs
rv = logistic()
# Display frozen pdf
x = np.linspace(0, np.minimum(rv.dist.b, 3))
h = plt.plot(x, rv.pdf(x))
# Check accuracy of cdf and ppf
prb = logistic.cdf(x, )
h = plt.semilogy(np.abs(x - logistic.ppf(prb, )) + 1e-20)
# Random number generation
R = logistic.rvs(size=100)