I recently interviewed Hadley Wickham the creator of Ggplot2 and a famous R Stats person. He works for RStudio and his job is to work on Open Source software aimed at Data Geeks. Hadley is famous for his contributions to Data Science tooling and inspires a lot of other languages! I include some light edits.

1. What project have you worked on do you wish you could go back to, and do better? ggplot2! ggplot2 is such a heavily used package, and I knew so little about R programming when I wrote it. It works (mostly) and I love it, but the internals are pretty hairy. Even I don’t understand how a lot of works these days. Fortunately, I’ve had the opportunity to spend some more time on it lately, as I’ve been working on the 2nd edition of the ggplot2 book.

One thing that I’m particularly excited about is…