Blogs and Sites
Get better at R
- R-Bloggers: a feed of 500+ R-related blogs. Some stuff will go over your head and some will be interesting.
- Hadley Wickham’s Advanced R: a living legend who probably knows everything there is to know about R.
Stats and Analytics
- Analytics Made Skeezy: Another John Foreman production (no new content unfortunately, but a goldmine nonetheless). Teaches a variety of analytics topics through interesting fictional stories. Note: there are drugs involved.
Get better at Excel
- Deskbright Excel Courses: detailed, step by step tutorial on practically every Excel feature and formula.