R 101

A quick-and-dirty introduction to R

This tutorial covers basic R usage.

You have probably been directed to this page because you are participating in a course that requires R programming. In that course, you will most likely use both R and RStudio. This tutorial comprises three exercises that are intended to guide you through the initial steps of getting up-and-running with R.

Before you can do any R programming, however, you will need to install R and RStudio. The steps below will guide you through installing both R and RStudio. Please do so before proceeding on to the exercises.

Course contents

Installation

Before you start the exercises, make sure you can use R either locally on your PC or online through Posit Cloud.

• Intsallation

Exercises

This tutorial is broken into the following three exercises.

• Exercise 1
• Exercise 2
• Exercise 3

Solutions

Below, you can find suggested solutions for the above exercises.

• Exercise 1 Solutions
• Exercise 2 Solutions
• Exercise 3 Solutions

These solutions are provided so you can check your work and unstick yourself if you really can’t figure out one of the exercise questions. You should make a concerted effort to complete each exercise yourself before you view these solutions. You won’t get much out of this tutorial if you skip right to the answers.

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Copyright Hanne Oberman, 2025 - CC BY-NC-SA 4.0
Materials developed by Amices team - Methodology & Statistics - Utrecht University