gratia
The facts below are what the maker publishes about gratia, checked and dated. Our editors have not written about it yet.
The facts
Each one read from gratia's own pages, with the date it was checked.
What it does
- Additional capability
- The changelog describes experimental parallel processing support for smooth_estimates() and basis() through purrr, with a current R session configured using mirai::daemons().checked 11 Oct 2026
- Audience
- The overview describes gratia as helping people work with GAMs in the tidyverse, where this can otherwise be tedious or difficult without understanding GAMs and mgcv model objects.checked 11 Oct 2026
- Bayesian analysis
- Yeschecked 24 Sep 2026
- Compatibility limit
- The overview says specialist smoothers with bases mrf, sw, and sf are not currently supported.checked 11 Oct 2026
- Confidence intervals
- gratia provides pointwise and simultaneous intervals for estimated smooths.checked 11 Oct 2026
- Deployment
- desktopchecked 24 Sep 2026
- Derivatives
- The derivatives() function estimates derivatives of fitted smooths using finite differences.checked 11 Oct 2026
- Development
- The project describes gratia as under active development.checked 11 Oct 2026
- Diagnostics
- appraise() provides diagnostic plots for supported GAM, GLM, and linear model fits.checked 11 Oct 2026
- Documentation
- The getting-started guide says documentation is an area currently lacking and points users to package help pages and examples.checked 11 Oct 2026
- Installation
- The package is available from CRAN with install.packages("gratia"), and the site also documents installation from GitHub and rOpenSci's R Universe.checked 11 Oct 2026
- Install options
- The package page lists installation from CRAN, GitHub, and rOpenSci's R Universe service.checked 11 Oct 2026
- Integrations
- gratia works with GAMs fitted using mgcv and provides ggplot2-based graphics and tidyverse-compatible representations of estimated smooths.checked 11 Oct 2026
- Intended users
- The package is designed to help people working with GAMs in the tidyverse.checked 11 Oct 2026
- License
- The project identifies its license as MIT.checked 11 Oct 2026
- Maintainer
- The package site names Gavin L. Simpson as author, maintainer, and copyright holder.checked 11 Oct 2026
- Models
- It provides graphics and utility functions for GAMs fitted using the mgcv package.checked 11 Oct 2026
- Plotting
- Its draw() function uses ggplot2 to plot smooth and parametric contributions from a fitted GAM.checked 11 Oct 2026
- Purpose
- gratia provides graphics and utility functions for working with generalized additive models fitted using the mgcv R package.checked 11 Oct 2026
- Regression models
- Yeschecked 24 Sep 2026
- Scripting support
- Yeschecked 24 Sep 2026
- Statistical tests
- Yeschecked 24 Sep 2026
- Support
- The project links to GitHub to report bugs and provides a contributing guide and code of conduct.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 24 Sep 2026
