List of libraries, tools and APIs for web scraping and data processing.

Here’s a flowchart to make you happy again!

List of companies in the S&P 500 together with associated financials

A complete environment for busy polyglot data scientists

The .md source for "The Plain Person's Guide to Plain Text Social Science". To exactly reproduce the PDF you will need current versions of R, TexLive, biber, and the support files at http://www.kie…

Training materials for the intro and advanced R course

The Obvious Nondisclosure Agreement