Changes in version 0.2.2 (2023-08-23) - Vignette code failed when suggested packages were not available due to model objects being referenced in the text. Changes in version 0.2.1 (2023-08-21) - Make vignette code evaluation conditional on the availability of suggested packages. Changes in version 0.2.0 (2023-08-18) - New package maintainer: Peter Solymos. - CRAN release after archival. Changes in version 0.1.0 (2023-02-08) - Added a NEWS.md file to track changes to the package.