What’s a ZCTA?

     
For years I assumed that a city consists of a number of zipcodes, and the city’s population was simply the sum of the populations those zipcodes.

     
It turns …

As I said in my previous post, I’m working on a 2-part series where I show how to conduct psychometric analysis on a personality measure. Those posts are coming very soon, but today, I wanted to start by demonstrating how I prepare the data for psychom…

Weighted by population, the rule of law has slipped globally since 1996. India and the United States contributed a large part to this decline, while China’s net impact was negligible thanks to a recovery from the mid 00’s. Countries with a stronger rule of law tend to be wealthier, and those …