Companion Web site

This book has a companion Web site at (short link The site includes data files used in most examples; links to more resources; and searchable tables of R tasks, functions, and packages presented in the book. You’ll also be able to find corrections and updates there as needed.

Links to additional resources at the end of most chapters are also available online at This is to save you from having to type out what are sometimes lengthy URLs if you have the paper version of the book.

Chapter 5 includes instructions on how to download the entire repository to your local computer from within R.