This script is designed to test the number of walkers and number of steps needed for the emcee sampler to converge to a result. yerr = 0.1 * y_true + verr * np.random.rand(N) y = a_true * x**2 + ...

There are actually a few things that are confusing me (based on the docs), and one thing that (given I understand correctly) could potentially be made better in the code. The first confusing thing in ...