R Programming: A Step-by-Step Guide for Absolute Beginners-2nd edition

2020, Second Edition, updated version. Download your copy!!
Why Learn R? What are the reasons to learn R for Data Science?
In this small textbook recommended for absolute beginners, the author tried to answer these types of questions. After reading this guide, maybe in one or two days, you will learn the basics of R programming and its utility for each Data Scientist.