Hi Andrzej,
Two possible reasons (easy enough, since they're my slides):
- The code was really meant to show how I got from point A to B as an example, and I don't think anyone other than me has actual access to that data.
- The Google API for googlesheets is changing, and there's and people will be moving to googlesheets4 (the name of which reflects the google API version).
Gavin Simpson has a great post on pivoting here with data available if you're looking to try your hand at more of the new tidyr syntax:
Also there are, of course, the vignettes in the package: