Sean Kross

devtools

Read and write feather files, a lightweight binary columnar
data store designed for maximum speed.

## Python interface to the Apache Arrow-based Feather File Format

Feather efficiently stores pandas...

Create tile grid maps, which are like choropleth maps except each
region is represented with equal v...

swirl turns the R console into an interactive learning
environment. Users receive immediate feedback...

A unit testing system designed to be fun, flexible and easy to
set up.