This post explains what a Python module is and how to use it to drastically extend the capabiltiies of your code. Plus: how to make your own!

If you only want to grab a random element from a list in Python, you can do this with the random package as well. Import the random package by including import random near the top of your code.

Fixed vs. random effects in panel data Broadly speaking, the distinction between a fixed effects approach and a random effects approach concerns the correlation — or lack thereof — between unobserved ...