Projects

Radlibrary Radlibrary is an R package for querying the Facebook Ad library API. This is useful for researchers who want data on political ads. Queries Queries is a package that I use for templating SQL queries.

In 2020, we’re doing our own websites

I’ve written a lot in other places—mostly Medium, but I think in 2020 we’re doing our own websites. Blogdown has gotten so good that it feels like a big waste of time to write posts in RMarkdown and translate them over to Medium like I’ve been doing.

Radlibrary

My main job at Facebook is working on finding and getting rid of hate speech on the platform, but Radlibrary is a side project that I maintain. Radlibrary is an R package for querying the Facebook Ad Library API, and transforming the results into tidy dataframes suitable for statistical analysis.

The Treachery of Leakage

How to avoid letting a model cheat on you and break your heart There are a lot of ways to screw up when you’re trying to do data science. Some of them are very technical. Leakage is not one of those very technical screw-ups.