Symmetric Linear Regression Models for Small Samples R package SLRMss version 1.1.0 Ordinary and modified statistics for symmetrical linear regression models with small samples. The supported ordinary statistics include Wald, score, likelihood ratio and gradient. The modified statistics include score, likelihood ratio and gradient. Diagnostic tools associated with the fitted model are implemented. For more details see Medeiros and Ferrari (2017) <DOI:10.1111/stan.12107>. Software Depends: R (>= 3.5.0) Imports: methods, normalp, ssym Ivonaldo S. da Silva-Júnior <ivosilvestresjr@gmail.com> Comprehensive R Archive Network (CRAN) Ivonaldo S. da Silva-Júnior [aut, cre], Francisco Moisés C. de Medeiros [aut] (ORCID: <https://orcid.org/0000-0001-6751-2666>), Eliardo Costa [aut] (ORCID: <https://orcid.org/0000-0003-4528-0379>) GPL-3 2026-07-08 application/tgz https://CRAN.R-project.org/package=SLRMss doi:10.32614/CRAN.package.SLRMss