Replicating a FiveThirtyEight chart in Tableau

Replicating a FiveThirtyEight chart in Tableau

Showing cabinet departures for recent presidents was one of 56 “best and weirdest” charts of FiveThirtyEight in 2019. I asked my students to replicate the chart in Tableau. See if you can tell which of the above images is the FiveThirtyEight chart, and...

Sample data manipulation in R

In 2007, I published the  Sample Annotated Paper in Econometrics in the Journal of Economic Education (JEE). That paper illustrated the structure of an econometrics paper: sections, presentation of descriptive statistics, results etc. Recently, a couple of colleagues...

Why isn’t out-of-time validation more ubiquitous?

Train, validate and test partitions for out-of-time performance take planning and thought (This piece is also at TDS.) The purpose of supervised machine learning is to classify unlabeled data. We want algorithms to tell us whether a borrower will default, a customer...