Creative blogs from insightful people in the R community.
Lisa Lendway
Great posts with intro to R courses, building an R Markdown site, and tutorials on GitHub
Ted Laderas
Mostly bioinformatics teaching, but has posts about many topics ranging from mental health to R courses
Alison Hill
Good advanced R Markdown workshop as well as other fun data sets
Allison Horst
Amazing illustrations about many data science topics