The members of the R Ladies DC user group put together an R-themed crossword for a recent networking event. It's a fun way to test out your R knowledge. (Click to enlarge, or download a printable version here.)
Image may be NSFW.
Clik here to view.
If you get stuck, you can find the answers here or at the link below. And if you'd like to join your local R-Ladies chapter, you can find a list of meetups here.
Github (rladies): meetup-presentations_dc / NetworkingCrosswordPuzzle-2017