Widely used in the academic world, originally designed by and for statisticians, R has become a symbol for data scientists.
Example above of R with RGui frontend plotting a 6 million rows dataset.
Acquiring R expressiveness in our skill set is now a strategic achievement in the BI sector, so we have composed a list of resources available on the Internet for auto-training in R skills:
Data Analysis and Statistical Inference Course
(The authorship copyrights and trademarks correspond to the authors of the websites linked.)