Chapter 3. A Short R Tutorial
This chapter contains a short tutorial of R with a lot of examples.
If you’ve never used R before, this is a great time to start it up
and try playing with it. There’s no better way to learn something than
by trying it yourself. You can follow along by typing in the same text
that’s shown in the book. Or, try changing it a little bit to see what
happens. (For example, if the sample code says 3 + 4, try typing
3 - 4 instead.)
Warning
If you’ve never used an interactive language before, take a look at Chapter 2 before you start. That chapter contains an overview of the R environment, including the console. Otherwise, you might find the presentation of the examples—and the terminology—confusing.
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