Chapter 1. Getting Started
As detailed in the introduction, R is an extremely versatile open source programming language for statistics and data science. It is widely used in every field where there is data—business, industry, government, medicine, academia, and so on.
In this chapter, you’ll get a quick introduction to R—how to invoke it, what it can do, and what files it uses. We’ll cover just enough to give you the basics you need to work through the examples in the next few chapters, where the details will be presented.
R may already be installed on your system, if your employer or university has made it available to users. If not, see Appendix A ...