Tutorial for R programming, Statistics and Graphics (from universities or not)

This book helps you translate what you know about SAS or SPSS into a working knowledge of R as quickly and easily as possible.

R packages for the sciences via community driven learning, review and maintenance of contributed software in the R ecosystem

Guide à la programmation objet sous R (ou S4).

Quelques astuces et règles pour améliorer la qualité de votre code