Prework - R and RStudio

Before you arrive at RMBL.

Tutorial on setting up R and Rstudio.

Overview

This is a tutorial on how to install the R language and RStudio development environment. It was modified from here.

The tutorial will help you set up your computer to use R. It is for you if you need to learn how to:

• Install R on your computer
• Install the RStudio IDE
• Install packages, using the dplyr R package as an example.

You can skip this tutorial if you’ve already done these things.

Is this tutorial for you?

Do you need to work through the tutorial? Take the quiz below to find out.

::: {.webex-check .webex-box} I have installed R on my computer TRUEFALSE I have installed the RStudio IDE TRUEFALSE I have installed the dplyr R package TRUEFALSE

If you have done all of these things, you can skip this tutorial and go to the next one! :::

Install R

How to install R

Follow the video instructions here

Test your knowledge

::: {.webex-check .webex-box} Is R free to download and use? TRUEFALSE

Where do you download R? www.rstudio.com/downloadcloud.r-project.orgwww.r-project.orgwww.r.com

How often should you update R? Everytime you use itAbout once a yearNever :::

Install RStudio

How to install RStudio

RStudio is an Integrated Development Environment for R. What does that mean? Well, if you think of R as a language, which it is, you can think of RStudio as a program that helps you write and work in the language. RStudio makes programming in R much easier and I suggest that you use it!

Follow the video instructions here

Test your knowledge

::: {.webex-check .webex-box} What is the RStudio IDE? An application that makes it easier to use R.An application that let’s you use R without writing any codeA spreadsheet program like Microsoft Excel.Another name for R

Is the RStudio IDE free to download and use? TRUEFALSE

Where do you download RStudio? www.rstudio.com/downloadcloud.r-project.orgwww.r-project.orgcran.rstudio.org

Do you need to install R if you already have RStudio? TRUEFALSE :::

Install Packages

How to install R packages

Follow the video instructions here

Test your knowledge

::: {.webex-check .webex-box} What command do you use to install packages? library()install.packages()There is no command. You must visit cran.r-project.org and download packages manually.

How often do you need to install a package on your computer? Every time you restart REvery time you restart your computerOnly once. Afterwards, R can find it on your hard drive as needed.Never, as long as you are connected to the internet.

What command do you use to load a package into your R session? package()library()install.packages() :::