We will be adding to this page as we go through the course.
R is a free open-source programming language that can be used for statistical analysis, data-simulation, graphing, and lots of other stuff. Another free program is R-studio, that provides a nice graphic interface for R. Download R first, then download R-studio. Both can run on PCs, Macs or Linux.
https://cran.r-project.org/doc/contrib/Short-refcard.pdf This link takes you to a reference card, that shows a big long list of intrinsic r functions.
A really great and really long list of resources for R! https://paulvanderlaken.com/2017/08/10/r-resources-cheatsheets-tutorials-books/