MATT DENNY : right above this screencast that you can follow to actually download R and also XCode command line tools. There will also be some links in the written materials And I'm just going to quickly walk you through this to make sure that we prevent any issues when you're installing R. So installing R on a Mac is relatively easy as installing R goes, depending on your operating system. This is your instructor Matt Denny, and welcome to this lecture on installing R on a Mac.