R Studio is a slick (very slick) GUI interface for developing R projects
LaTeX (“la-tek”) is necessary to use the pdf output of R Markdown.
R Studio Essentials, Programming Part 1 (Writing code in RStudio)
Getting used to R, RStudio, and R Markdown
ggplot2
data.table
lme4
nlme
emmeans
readxl
reshape2
Youtube: An Introduction to The data.table Package
Coursera: The data.table Package