Publications by Michael A Barrowman
Lesson One - Intro to R
1 R & RStudio 1.1 R R is a programming language that is designed to work quickly and efficiently with large amounts of data, this is done through the unique way it processes this data. It is open source, meaning that other people from around the world can easily contribute code that you can use through add-ons, known as packages. Another reason...
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Regression, or How I learned to Stop Worrying and Love the Stats
1 Tests Continued… 1.1 One-way ANOVA In the previous lesson we learned that a t-test can be used to evaluate whether there is a difference between two groups. We take the variable we are measuring, and figure out how far apart it is in the two groups, based on how varied the two groups are. We can extend this idea to an ANOVA test to establish...
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Test your data - not yourself!
1 New Functions Let’s learn a a few more useful functions (that I should have covered previously). I’ll keep these functions here in this set of notes for now, but by next week, I’m going to migrate them back into the previous lessons. 1.1 The rep() function We’ve learned that the c() function can be used to create simple vectors. We can...
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Tidyverse for Tidy Data
1 Recap Quick refresher on the most important parts from the last session: 1.1 R & RStudio To access RStudio on LJMU computers, go to the Application Player and search “RStudio”.This course is designed for the RStudio 64 with the circular logo. On your own computer, you can download RStudio at their own downloads page, remember it is comple...
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Introduction to Statistics in R
1 R & RStudio 1.1 R R is a programming language that is designed to work quickly and efficiently with large amounts of data, this is done through the unique way it processes this data. It is open source, meaning that other people from around the world can easily contribute code that you can use through add-ons, known as packages. Another reason...
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Intro to R - Webinar
1 R & RStudio 1.1 R Welcome to the wonderful world of R. Everybody should have RStudio downloaded and ready to go, so I’m going to jump right in to how R sees the world, and then get on to how we can control what R sees. 1.2 What you see When you open RStudio for the first time, you’ll see three panes. The top right of your screen will show...
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