An R package with wrappers around ggplot2's facetting functions, with a special emphasis on displaying mathematical expressions in facet strips.
For example:

Install the package by using devtools::install_github("rscherrer/ggfacet") or by downloading this repository and building it from source. Check this for help on installing R packages from GitHub.
Check out the vignette for information on how to use the package, using browseVignettes("ggfacet") (you need to specify build_vignettes = TRUE in install_github when installing the package).
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