Finding unique items - hash vs sort?

Freely Available Software for Linear Algebra (September 2018).

Opioid Atlas: Explore country-level consumption trends by hovering over different geographic location in the Opioid Map. #dataviz

https://flowmap.blue: Lovely.

handbook on statistical distribution for experimentalists (PDF, 202 pp.).

Learn Haskell Now!. And for French readers, Introduction à la Programmation Fonctionnelle avec Haskell. #haskell

Most languages do a whole lot of other crap other than printing out “hello world”, even if that’s all you asked for. — Hello world

A nice discussion of colour schemes and templates by Paul Tol.

Parallel computing with R: A brief review, by Dirk Eddelbuettel. #rstats

Github has become a large repository of PDF books. Here’s a new one, by fogus.