Issues

• Support Cox survival predictions in fitted_values()

  gavinsimpson/gratia#429 · Filter by author gavinsimpson opened on Oct 22, 2026

• Plot sdmTMB covariate effects spread over space and time

  enhancementplotting
  gavinsimpson/gratia#425 · Filter by author gavinsimpson opened on Oct 21, 2026

• Plot sdmTMB dispersion-formula effects

  enhancementplotting
  gavinsimpson/gratia#424 · Filter by author gavinsimpson opened on Oct 21, 2026

• Plot sdmTMB spatial and spatiotemporal random fields

  enhancementplotting
  gavinsimpson/gratia#423 · Filter by author gavinsimpson opened on Oct 21, 2026

• Plot sdmTMB group random intercepts and slopes

  enhancementplotting
  gavinsimpson/gratia#422 · Filter by author gavinsimpson opened on Oct 21, 2026

• Plot sdmTMB spatially varying coefficients

  enhancementplotting
  gavinsimpson/gratia#421 · Filter by author gavinsimpson opened on Oct 21, 2026

• Track missing sdmTMB effect plots in draw() and assemble()

  enhancementplotting
  gavinsimpson/gratia#417 · Filter by author gavinsimpson opened on Oct 21, 2026

• Support partial residuals for mean and location predictors of LSS GAMs

  enhancement
  gavinsimpson/gratia#415 · Filter by author gavinsimpson opened on Oct 18, 2026

• Add highest-density intervals for posterior samples

  gavinsimpson/gratia#413 · Filter by author gavinsimpson opened on Oct 16, 2026

• Add support for gamFactory models

  gavinsimpson/gratia#379 · Filter by author gavinsimpson opened on Dec 1, 2025
  1

• new family bgc() for a censored Box-Cox Gaussian family

  gavinsimpson/gratia#374 · Filter by author gavinsimpson opened on Nov 10, 2025

• mgcv 1.9.4 has been released - support new features

  gavinsimpson/gratia#371 · Filter by author gavinsimpson opened on Nov 10, 2025

• Allow option to show derivatives of smooths instead of function values in draw.gam()

  gavinsimpson/gratia#367 · Filter by author gavinsimpson opened on Oct 30, 2025

• Add parallel processing via purrr::in_parallel

  gavinsimpson/gratia#348 · Filter by author gavinsimpson opened on Aug 4, 2025

• Support models fitted with the greta.gam 📦

  enhancement
  gavinsimpson/gratia#330 · Filter by author gavinsimpson opened on Feb 19, 2025

• handle factor by smooths when drawing on the response scale

  gavinsimpson/gratia#254 · Filter by author gavinsimpson opened on Mar 11, 2024

• add code for specifying the scale rather than just constant and fun

  enhancement
  gavinsimpson/gratia#253 · Filter by author gavinsimpson opened on Mar 11, 2024

• Function to extract convergence information from fitted model

  enhancement
  gavinsimpson/gratia#241 · Filter by author gavinsimpson opened on Oct 30, 2023

• Function to obtain the overall penalty matrix from an mgcv object

  enhancement
  gavinsimpson/gratia#238 · Filter by author fhui28 opened on Sep 25, 2023

• Partial residuals on parametric terms

  enhancementplotting
  gavinsimpson/gratia#235 · Filter by author mattdiebel opened on Sep 6, 2023

• gratia support for other regression packages

  gavinsimpson/gratia#227 · Filter by author seanhardison1 opened on Jun 8, 2023
  8

• Handle tram models?

  gavinsimpson/gratia#220 · Filter by author gavinsimpson opened on Apr 5, 2023

• A better model summary

  gavinsimpson/gratia#214 · Filter by author noamross opened on Mar 7, 2023
  6

• Add support for extreme value GAMs fitted by package evgam

  enhancement
  gavinsimpson/gratia#213 · Filter by author gavinsimpson opened on Mar 7, 2023

• Use geomtextpath pkg for labelled contours

  gavinsimpson/gratia#210 · Filter by author gavinsimpson opened on Feb 14, 2023