What you need for this book
The only strong requirement for running the code in this book is an installation of R. This is freely available from http://www.r-project.org/ and runs on all the major operating systems. The code in this book has been tested with R version 3.1.3.
All the chapters introduce at least one new R package that does not come with the base installation of R. We do not explicitly show the installation of R packages in the text, but if a package is not currently installed on your system or if it requires updating, you can install it with the
install.packages() function. For example, the following command installs the
All the packages we use are available on CRAN. An Internet connection is needed ...