Image source https://xkcd.com/2494

- R for Data Science by Garrett Grolemund and Hadley Wickham
- Advanced R by Hadley Wickham
- Getting Used to R, RStudio, and R Markdown by Ismay and Kennedy

- R Markdown: The Definite Guide by Yihui Xie, J. J. Allaire, Garrett Grolemund
- R Markdown Cookbook by Yihui Xie, Christophe Dervieux, Emily Riederer
- Getting Started with R Markdown Tutorial
- R Markdown Reference Guide

- A ggplot2 tutorial for beautiful plotting in R Tutorial
- ggplot2: Elegant Graphics for Data Analysis by Hadley Wickham, author of the ggplot2 R package
- R Graphics Cookbook by Winston Chang
- Graphical Data Analysis with R by Antony Unwin

- R Programming by Robin Evans
- R for Beginners by Emmanuel Paradis
- An Introduction to R by W. N. Venables and D. M. Smith and the R Core Team
- A Sufficient Introduction to R by Derek L. Sonderegger.

Download Anoconda Distribution to install Python and Jupyter Notebook

- Software Carpentry’s Programming with Python tutorial
- Udacity’s free course Introduction to Python Programming
- More links to Python resources for beginners