For those curious (as I was) what he's using, it looks like Stata: https://www.reed.edu/psychology/stata/analyses/parametric/Re...
> On all Reed lab computers, Stata is located in the Applications folder.
> Stata can be found in the Applications folder of any school machine. On a PC, it is most likely located in Program Files.
Does that imply it's neither open source nor even commercially available? Seems rather odd, surely it is either of those two