Constrained Groupwise Additive Index Models R package cgaim version 1.0.4 Fits constrained groupwise additive index models and provides functions for inference and interpretation of these models. The method is described in Masselot, Chebana, Campagna, Lavigne, Ouarda, Gosselin (2022) "Constrained groupwise additive index models" <doi:10.1093/biostatistics/kxac023>. Software Imports: graphics, stats, scam, scar, quadprog, osqp, Matrix, grDevices, methods, MASS, cgam, mgcv, gratia, doParallel, coneproj, TruncatedNormal, foreach, nnls Suggests: testthat (>= 2.1.0) Pierre Masselot <pierre.masselot@lshtm.ac.uk> Comprehensive R Archive Network (CRAN) Pierre Masselot [aut, cre] (ORCID: <https://orcid.org/0000-0002-7326-1290>) GPL-3 2026-06-26 application/tgz https://CRAN.R-project.org/package=cgaim doi:10.32614/CRAN.package.cgaim