To cite 'gratia', please use the JOSS paper (Simpson, 2024). If you need a citation to a specific version, use the 'Manual' entry.

Simpson G (2024). “gratia: An R package for exploring generalized additive models.” Journal of Open Source Software, 9(104), 6962. doi:10.21105/joss.06962.

Simpson G (2025). gratia: Graceful ggplot-Based Graphics and Other Functions for GAMs Fitted using mgcv. doi:10.32614/CRAN.package.gratia, R package version 0.11.1, https://gavinsimpson.github.io/gratia/.

Corresponding BibTeX entries:

  @Article{,
    title = {{gratia}: An {R} package for exploring generalized
      additive models},
    author = {Gavin L. Simpson},
    journal = {Journal of {O}pen {S}ource {S}oftware},
    volume = {9},
    number = {104},
    pages = {6962},
    year = {2024},
    doi = {10.21105/joss.06962},
  }

  @Manual{,
    title = {{gratia}: Graceful {ggplot}-Based Graphics and Other
      Functions for {GAM}s Fitted using {mgcv}},
    author = {Gavin L. Simpson},
    year = {2025},
    abstract = {Graceful ggplot-based graphics and utility functions
      for working with generalized additive models (GAMs) fitted using
      the mgcv package. Provides a reimplementation of the plot()
      method for GAMs that mgcv provides, as well as
      tidyverse-compatible representations of estimated smooths.},
    note = {R package version 0.11.1},
    url = {https://gavinsimpson.github.io/gratia/},
    doi = {10.32614/CRAN.package.gratia},
  }