Chapter 2

R: What It Does and How It Does It


check Getting R and RStudio

check Working with RStudio

check Learning R functions

check Learning R structures

check Working with packages

check Forming R formulas

check Reading and writing files

R is a computer language. It’s a tool for doing the computation and number-crunching that set the stage for statistical analysis and decision-making. An important aspect of statistical analysis is to present the results in a comprehensible way. For this reason, graphics is a major component of R.

Ross Ihaka and Robert Gentleman developed R in the 1990s at the University of Auckland, New Zealand. Supported by the Foundation for Statistical Computing, R is getting more and more popular by the day.

RStudio is an open source integrated development environment (IDE) for creating ...

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