Posts

A joy of programming is making tools to solve your everyday problems. For example, I found myself often having to estimate income taxes on various economic data sets that included income and family characteristics.

The veil of darkness test attempts to uncover racial differences in traffic stop rates. The test, like all tests, has its own weaknesses and should only be seen as additional evidence.

What is mediation analysis? Untangling the Gordian Effects Knot Direct effect the old fashioned way Total effect the old fashioned way Indirect effect (kind-of) the old fashioned way Step 1: Fitting regression models Step 2: Create potential outcome predictions Compare results to mediation package What is mediation analysis?

We all have preconceptions about cops and speeding tickets. That small town is a speed trap. There are more cops out on holidays like the 4th of July and Memorial Day, just waiting to pull people over.

Evaluating the effectiveness of law schools is challenging for two reasons. The first hurdle lies in defining effectiveness. What does it mean for one law school to provide a better legal education than other schools?

This post presents a gentle tutorial on Bayesian hierarchical modeling. After completing the tutorial you will be able create a bare-bones Bayesian hierarchical model in R, intuitively understand how it works, examine its posterior distribution, and make predictions with the model.