Package: betareg Version: 3.2-5 Date: 2026-01-30 Title: Beta Regression Authors@R: c(person(given = "Achim", family = "Zeileis", role = c("aut", "cre"), email = "Achim.Zeileis@R-project.org", comment = c(ORCID = "0000-0003-0918-3766")), person(given = "Francisco", family = "Cribari-Neto", role = "aut", email = "cribari@ufpe.br", comment = c(ORCID = "0000-0002-5909-6698")), person(given = "Bettina", family = "Grün", role = "aut", email = "Bettina.Gruen@wu.ac.at", comment = c(ORCID = "0000-0001-7265-4773")), person(given = "Ioannis", family = "Kosmidis", role = "aut", email = "ioannis.kosmidis@warwick.ac.uk", comment = c(ORCID = "0000-0003-1556-0302")), person(given = c("Alexandre", "B."), family = "Simas", role = "ctb", comment = "earlier version by"), person(given = c("Andrea", "V."), family = "Rocha", role = "ctb", comment = "earlier version by")) Description: Beta regression for modeling beta-distributed dependent variables on the open unit interval (0, 1), e.g., rates and proportions, see Cribari-Neto and Zeileis (2010) . Moreover, extended-support beta regression models can accommodate dependent variables with boundary observations at 0 and/or 1, see Kosmidis and Zeileis (2025) . For the classical beta regression model, alternative specifications are provided: Bias-corrected and bias-reduced estimation, finite mixture models, and recursive partitioning for beta regression, see Grün, Kosmidis, and Zeileis (2012) . Depends: R (>= 3.6.0) Imports: graphics, grDevices, methods, stats, flexmix, Formula, lmtest, modeltools, sandwich Suggests: bamlss, car, distributions3 (>= 0.2.1), knitr, lattice, numDeriv, partykit, quarto, statmod, strucchange License: GPL-2 | GPL-3 URL: https://topmodels.R-Forge.R-project.org/betareg/ BugReports: https://topmodels.R-Forge.R-project.org/betareg/contact.html Encoding: UTF-8 VignetteBuilder: quarto Repository: https://zeileis.r-universe.dev Date/Publication: 2026-01-30 01:32:01 UTC RemoteUrl: https://github.com/r-forge/betareg RemoteRef: HEAD RemoteSha: 23c1b8724c18661f74976d54e6b84d96b7f48180 RemoteSubdir: pkg NeedsCompilation: yes Packaged: 2026-06-24 02:10:47 UTC; root Author: Achim Zeileis [aut, cre] (ORCID: ), Francisco Cribari-Neto [aut] (ORCID: ), Bettina Grün [aut] (ORCID: ), Ioannis Kosmidis [aut] (ORCID: ), Alexandre B. Simas [ctb] (earlier version by), Andrea V. Rocha [ctb] (earlier version by) Maintainer: Achim Zeileis