### Optional textbook:

- “R for Data Science” by Garrett Grolemund and Hadley Wickham link.

### Other statistics and R books:

- “R in a nutshell” by Joseph Adler link.
- “Introduction to Statistical Learning” by James et al. link.
- “Elements of Statistical Learning” by Hastie et al. link.
- “Advanced R” by Hadley Wickham link.
- “R packages” by Hadley Wickham link.