What you need for this book

In order to make your learning efficient, you need to have a computer with Windows, Ubuntu, or OS X.

You need to download R to execute the code mentioned in this book. You can download and install R using the CRAN website available at http://cran.r-project.org/. All the code was written using RStudio. RStudio is an integrated development environment (IDE) for R and can be downloaded from http://www.rstudio.com/products/rstudio/.