Other websites

• Bob Rudis’s blog, most beautiful visualizations
• Damiano Fantini’s blog, useful R and python code
• Hadley Wickham’s website, the R bible
• Julia Silge’s blog, a truly inspirational one

Diverse books

• An introduction to statistical learning, a must have
• Practical Data Science with R, basic principles and real use cases
• R Graphics Cookbook, for ggplot2 heroes
• R in a Nutshell, quick reference for beginners