Learning R is important nowadays, as the analytics, big data and the application of data science to different industries is needed. Mostly beginners, as what they say compared to SAS has a steep learning curve, but let’s see a quick tutorial.
First, you have to install R or Microsoft R Open. Download from https://cran.r-project.org/
Also install RStudio for a good IDE (Integrated Development Environment) to use R and understand what data the variables has in memory. Download from: https://www.rstudio.com/
After you have these, you can get yourself in a quick environment by installing and using Swirl Package for a self run tutorial. Check out: http://rpubs.com/wenmi01/learn_r_swirl