[Originally published on my blog] With covid-19 reaching worldwide, social distancing has become the new norm. Non-essential businesses are closing, people are losing their jobs, and everyone is feeling more isolated. Now, teams of psychologists around the world have started studies investigating the effects of the pandemic on mental health…

[This was originally posted on my blog] I work a lot with what is sometimes termed ‘hierarchical’ data. That is, data that is clustered in some way. For me, those clusters are sometimes multiple observations from the same person — as is the case with longitudinal data or within-subject manipulations…

Note: This was first posted on my blog I first started rock climbing in graduate school with some friends, and quickly grew to love it. The combination of athleticism and the extreme focus needed when you’re on the wall really appealed to me, plus the community is very friendly and…

[This was originally posted on my blog] Edit 8/9/22: This ideas discussed in this blog series are now published as a tutorial paper. Edit 5/24/21: I’ve turned the code underlying these posts into an R package: https://dbaranger.github.io/InteractionPoweR. …

[This was originally posted on my blog] Edit 8/9/22: This ideas discussed in this blog series are now published as a tutorial paper. Edit 5/24/21: I’ve turned the code underlying these posts into an R package: https://dbaranger.github.io/InteractionPoweR. …

[This was first posted on my blog] Edit 8/9/22: This ideas discussed in this blog series are now published as a tutorial paper. Edit 5/24/21: I’ve turned the code underlying these posts into an R package: https://dbaranger.github.io/InteractionPoweR. …

Note: This was originally posted on my blog. A couple days ago an AI engineer from Google posted about a new palette he developed. This palette, ‘Turbo’, is as colorful as the widely used ‘jet’ palette, but perceptually uniform and color-blind friendly like the viridis palettes. He shared code in…

My partner (soon to be wife!, Tayler) and I met while we were in the same PhD program. We are both interested in pursuing academic careers, and thus both wanted to do a postdoc. We managed to secure postdoc positions in the same city, and were able to move there…

Improving the last prediction In my first post I showed how to build a simple model, using only genetic information, that predicts height with 53% accuracy in an independent sample. In this post I’m going to improve that model, which will ultimately result in a model with 64% accuracy in an independent sample —…