R resources

Never done any coding before? Need to know how to download R and get started? These resources are for you.

On

First steps in R

1. Downloading R and R studio

A guide to downloading R and RStudio, the two pieces of software you will need for working in R.

Download written guide

Download R

Download RStudio

2. Opening R and RStudio for the first time

Here we introduce the RStudio environment and begin to explore the ways in which we can interact with it.

Download written guide

3. Beginning to interact with R

How to enter your first instructions into the RStudio environment.

Download written guide

4. Objects and functions in R

Here we introduce the key ideas of objects and functions in the R environment. We look at how to define objects and call functions.

Download written guide

5. More about vectors

This video continues on from "Objects and Functions" Parts 1 and 2. There is continued discussion of vectors in R, how to define them and different categories of vector.

Download written guide

6. Matrices

The first video defines a matrix is and how to create one in R. The second defines character matrices and spotting errors in the definition of a matrix.

Download written guide

7. Creating Dataframes

Introducing dataframes in R. How to make a dataframe from scratch in RStudio.

Download written guide

8. Installing packages

What a package is and how to install a package to RStudio

Download written guide

9. Swirl

Swirl is a package designed for learning R interactively in RStudio. This video shows you how to install and begin using it.

Download written guide

10. Viewing built-in datasets

How to access and begin to manipulate the datasets in the "datasets" package which is installed by default with RStudio.

Download written guide

11. More objects

A guide to some more types of objects in the R environment.

Download written guide

12. Functions for getting to know a dataset

A quick tour of a few useful functions which help you to get a feel for a dataset in RStudio.

Download written guide

13. Importing data

Video 1: A quick guide to preparing and saving data using an excel spreadsheet before importing it into RStudio.

Video 2: How to get data into RStudio in the form of a data frame once the data have been prepared in an excel spreadsheet and saved in as a CSV file.

Download written guide

14. Where to go next...

The last video in the "First Steps in R" series. This video is intended to show the viewer some resources for continuing their learning of R.

Download written guide


Further R resources

Use the links below to download resources to help you implement these statistical techniques in R:

Summarising categorical variables

Chi-squared test for association

Summarising continuous data

Checking normality

Paired t-test

Wilcoxon (matched pairs) signed-rank test

Independent samples t-test

Mann-Whitney U test

One-way (between groups) analysis of variance

Kruskall-Wallis test

Two-way (between groups) analysis of variance

Interactions

Analysis of covariance

Repeated measures analysis of variance

Friedman test

Scatterplots in R

Correlation coefficient

Simple linear regression

Multiple linear regression

Multiple linear regression: Outliers, Durbin-Watson statistic and interactions in regression

Binary logistic regression

Poisson regression

Time series analysis

Multidimensional scaling analysis

Principal components analysis

Sample size power analysis

Meta-analysis

Two people sitting at a table looking at some work together
Two people sitting at a table looking at some work together

Book a 1:1 appointment or workshop

Would you like to explore a maths or stats topic in greater depth? Why not book a 1:1 with an advisor or a workshop (current students only).