tl;dr: My goal here is to catalog what ended up being a fairly wide ranging (and I think informative) series of tweets from lots of different people on timelines for military students pursuing their PhD in political science or related fields.
In the social sciences we talk a lot about groups being different from one another. We might also talk about things like spending on certain programs going up or down over time.
I previously wrote about a project in which I was attempting to figure out how to build a probability density function for a hurdle log-normal model. Ultimately I kind of left this topic hanging because I wasn’t really sure that the solution I had settled on was correct.