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R Projects For Dummies by Joseph Schmuller

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Chapter 1

R: What It Does and How It Does It

IN THIS CHAPTER

check Getting R and RStudio on your computer

check Plunging into a session with R

check Working with R functions

check Working with R structures

So you’re ready to journey into the wonderful world of R! Designed by and for statisticians and data scientists, R has a short but illustrious history.

In the 1990s, Ross Ihaka and Robert Gentleman developed R at the University of Auckland, New Zealand. The Foundation for Statistical Computing supports R, which is growing more popular by the day.

Getting R

If you don’t already have R on your computer, the first thing to do is to download R and install it.

You’ll find the appropriate software on the website of the Comprehensive R Archive Network (CRAN). In your browser, type this web address if you work in Windows:

cran.r-project.org/bin/windows/base

Type this one if you work on the Mac:

cran.r-project.org/bin/macosx

Click the link to download R. This puts a win.exe file in your Windows computer or a pkg file in your Mac. In either case, follow the usual installation procedures. When installation is ...

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