* Streamline narrative for new chapters and part name
* Add to do note to add sizing for faceted plots
* Minor edits, function updates, figure alt text
* Revert references to vars() in facets, use formula
* Spell check, colo*u*r, comma after r in chunk def
* Streamline fig.alt language
* If eval = FALSE, don't need fig.alt
* Fix sentence fragment
Mine Çetinkaya-Rundel
Hadley Wickham