R Studio

R is a programming language and R Studio is a programming environment.

For installation on a MAC see this YouTube video...

How to install R & RStudio on Mac in 2021 - step-by-step walkthrough

from the video above:

Step-by-step how to install R & RStudio on Mac Catalina, as well as a starting point to begin learning R for the first time!

Download R: https://www.r-project.org/

Download RStudio: https://rstudio.com/products/rstudio/...

Start learning R: https://r4ds.had.co.nz/index.html ("R for Data Science" by Garrett Grolemund and Hadley Wickham)

My (BES, June 2021) download notes/experience:

I originally installed an incorrect version of R and it would not launch. After correct this, and installing R Studio, i was able to open R Studio. Below is a screen shot of the message recevied after launching R Studio...on startup i was asked if i wanted to install some additional libraries...i choose yes.