Setting Up R

By YAP and YDAWG members.

This document will help you to get ready with R. Original version as a Word document can be found here.

Step 1 – Install base R

Windows

• Download the Windows R installer from https://cran.r-project.org/bin/windows/base/

• Run the installer

MacOS

• Run the installer

Step 2 – Install RStudio

RStudio is an open source development environment for R. It adds functionality to make R coding easier and faster.

• Download the RStudio installer from https://www.rstudio.com/products/rstudio/download/#download (Windows marked in red, use the one below for MacOS.

• Install RStudio (Windows)

• Install Rstudio (MacOS)

Step 3 – Setup package installation location

• Open RStudio

Packages are additional functions and tools that extend R’s functionality. They are critical to making full use of R and RStudio.

Step 4 – Install the packages

You may now run code or commands by typing it into editor and using Ctrl+Enter to run, or directly into the R console and pressing Enter.

• The install.packages command will download and install R packages

• Packages that require other packages will install all dependencies at once

• Run install.packages(<<package name>>) for each of the packages listed above → This will download and install the packages into your library

• Finally, run the library(<<package name>>) command to load the library into your R session

You can use the sessionInfo() command to list out the packages your R session has attached.