stickylabeller package helps you label the facets in your ggplot2 plots. If you know how to use the
glue package, you know how to use
stickylabeller! Some stand-out features include the ability to automatically number/letter your facets for use in papers and reports, as well as the ability to easily include summary statistics in your facet labels.
You can install
stickylabeller, learn how to use it and file any issues you have with it on GitHub!