Mostly for R and data visualization
Advanced R Book Club presentations
{ggplot2} stat_*() functions [post]
The correlation parameter in {lme4} mixed effects models [post]
Shortcuts for common chain of {dplyr} functions [post]
Plotting highly-customizable treemaps with {treemap} and {ggplot2} [post]
Tutorials:
A ggplot2 Tutorial for Beautiful Plotting in R by Cédric Scherer
ggplot2 Wizardry Hands-On - by Cédric Scherer
ggplot2 workshop by Thomas Lin Pedersen
Books:
R for Data Science by Hadley Wickham and Garrett Grolemund
R Markdown: The Definitive Guide by Yihui Xie, J. J. Allaire, and Garrett Grolemund
ggplot2: elegant graphics for data analysis by Hadley Wickham, Danielle Navarro, and Thomas Lin Pedersen
Fundamentals of Data Visualization by Claus O. Wilke
Efficient R Programming by Colin Gillespie and Robin Lovelace
Advanced R by Hadley Wickham