Introduction to R

This repository contains the documentation, background material, scripts, and data for a tutorial on the Introduction to R. This introductory workshop is geared towards people with a interest/ background in geography and environmental science.

Installation requirements

This tutorial requires two things to be installed: The language R and the IDE Rstudio. The downloads can be accessed from the following websites. A variety of packages will be used and will be instaled within the R environment using the command install.packages("packagename").

1. Install R from https://cran.rstudio.com/

Note: The most current version is 3.6.2 (Dark and Stormy Night, 2019-12-12)

2. Install Rstudio from https://www.rstudio.com/products/rstudio/download/#download

Note: The most current version is 1.2.5033

Materials

Please download all files in this respository as they will be needed for the workshop

An overview of the workshop material is listed here:

1. Tutorial background information (slides)

• Lecture 1 (intro_to_r.pdf)
• Lecture 2 (intro_to_r_lecture2.pdf)

2. R Script files
3. Data files

External resources

Textbooks for general R use:

• R in a Nutshell

• R for Data Science

Statistics in R:

• Chapter 9: R Cookbook
• For more a more in depth background in Statistics please reference material from my [Introduction to Statistics] (https://github.com/kristineccles/introduction_to_stats) course I previously taught.
• This is a helpful website for understanding PCA

R Cheatsheets:

These cheatsheets are provided by the R community and RStudio, describing common procedures and packages. Good cheatsheets to look at are:

• Base R

• Data Import

• Dates and Times

• Data Visualization with ggplot2

• Cartography