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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