No one can dispute that 'R' is fast becoming the analytics engine of choice. But portability, flexibility, development base and cost are just some of the more useful features.
The best way to learn 'R'
One overlooked feature often is the "try it before you deploy" aspect. Here is a friendly, easy to use tutorial from DataCamp that will let you load the environment and get started on your journey. For a more comprehensive discussion of the tutorial, go here. Since they make it fun and instructive with a Vegas gambling scenario, this is a good place to start.