What you need for this book
First of all, you should make sure that R is installed on your machine. All the examples in this book have been implemented in R and can be executed on the R console.  R is an open source platform and can be installed free of charge for any operating system from https://www.r-project.org/. Installation guidelines are also found on this website. Once you have R on your machine, you can straightaway go to chapter 1 and  start. Each chapter explains about the required packages, shows how to install packages, and and tells the reader how to load them into the workspace.