D-Lab's 4 part, 8 hour introduction to R Fundamentals. Learn how to create variables and functions, manipulate data frames, make visualizations, use control flow structures, and more, using R in RStudio.
its a long time just talking about factors - cut this down or intersperse a challenge/poll in it
factors() questions is confusing for people - they thought we should factorize pop not continent b/c I mentioned pop, also people tried to change the pop table code → make this an easier question
→ could cut factors down a lot (or at least ordered)