Nicholas J. (Amherst College, Amherst, MA) Horton & Ken (Harvard University, Boston, Massachusetts, USA) Kleinman 
SAS and R [PDF ebook] 
Data Management, Statistical Analysis, and Graphics, Second Edition

An Up-to-Date, All-in-One Resource for Using SAS and R to Perform Frequent Tasks The first edition of this popular guide provided a path between SAS and R using an easy-to-understand, dictionary-like approach. Retaining the same accessible format, SAS and R: Data Management, Statistical Analysis, and Graphics, Second Edition explains how to easily p