Seems I completely missed this but hey -- the {ggbraid} package by nsgrantham@fosstodon.org is 🔥
No need to hack your data + #rstats code to make filled areas between lines or steps work!
https://nsgrantham.github.io/ggbraid/
Example plot comparing the Human Rights Protection Score of #Germany and #USA between 1946 and 2019.
@adrienne @CedScherer
I was also confused by how a Germany occupied by the Americans (just after the Holocaust) somehow was rated much higher than america itself.