Chapter 1. The R Environment
In this chapter, we are going to introduce the R environment, learn how to install and use it, and introduce some of the main concepts related to writing R code. First, the technical issues of setting up the work environment are covered. After that, we will have R running and ready to receive instructions from the user. The basic concepts related to working in the R environment are also introduced.
In this chapter, we'll cover the following topics:
- Installing R
- Using R's command line
- Editing code using text editors
- Executing simple commands
- Arithmetic operations
- Logical operations
- Calling functions
- Understanding errors and warning messages
- Checking which class a given object belongs to
Installing R and using the command line ...
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