statistics

Introduction to Data Science

Data Analysis and Prediction Algorithms with R

Big Book of R

The biggest collection of free R programming books

R Reference Card 2.0

From ***R for Beginners*** by permission of Emmanuel Paradis

Freakonometrics

An Open Lab-Notebook Experiment (personal blog)

Econometrics in R

This paper was originally written as part of a teaching assistantship and has subsequently become a personal reference