DESCRIPTION
Aphalo P (2025). ggpp: Grammar Extensions to 'ggplot2'. R package version 0.5.9, https://github.com/aphalo/ggpp, https://docs.r4photobiology.info/ggpp/.
@Manual{,
title = {ggpp: Grammar Extensions to 'ggplot2'},
author = {Pedro J. Aphalo},
year = {2025},
note = {R package version 0.5.9,
https://github.com/aphalo/ggpp},
url = {https://docs.r4photobiology.info/ggpp/},
}