This document can be seen as an introduction to more extensive documents on similar subject matter. Some of these have only recently come out, and others have recently been updated.
Grolemund, Garrett, and Hadley Wickham. 2018. R for Data Science. http://r4ds.had.co.nz/.
Wickham, Hadley. 2018. Advanced R: The Definitive Guide. https://adv-r.hadley.nz/.
Wilke, Claus O. 2018. Fundamentals of Data Visualization. https://serialmentor.com/dataviz/.
Xie, Yihui, J. J. Allaire, and Garrett Grolemund. 2018. R Markdown: The Definitive Guide. https://bookdown.org/yihui/rmarkdown/.