betareg: Beta Regression

Beta regression for modeling beta-distributed dependent variables, e.g., rates and proportions. In addition to maximum likelihood regression (for both mean and precision of a beta-distributed response), bias-corrected and bias-reduced estimation as well as finite mixture models and recursive partitioning for beta regressions are provided.

Version: 3.1-0
Depends: R (≥ 3.0.0)
Imports: graphics, grDevices, methods, stats, flexmix, Formula, lmtest, modeltools, sandwich
Suggests: car, lattice, partykit, strucchange
Published: 2016-08-06
Author: Achim Zeileis [aut, cre], Francisco Cribari-Neto [aut], Bettina Gruen [aut], Ioannis Kosmidis [aut], Alexandre B. Simas [ctb] (earlier version by), Andrea V. Rocha [ctb] (earlier version by)
Maintainer: Achim Zeileis <Achim.Zeileis at>
License: GPL-2 | GPL-3
NeedsCompilation: no
Citation: betareg citation info
Materials: NEWS
In views: Econometrics, Psychometrics, SocialSciences
CRAN checks: betareg results


Reference manual: betareg.pdf
Vignettes: Extended Beta Regression in R: Shaken, Stirred, Mixed, and Partitioned
Beta Regression in R
Package source: betareg_3.1-0.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X El Capitan binaries: r-release: betareg_3.1-0.tgz
OS X Mavericks binaries: r-oldrel: betareg_3.1-0.tgz
Old sources: betareg archive

Reverse dependencies:

Reverse depends: Bayesianbetareg, biasbetareg, mfx, SetMethods
Reverse imports: gcmr, opticut, plsRbeta, vortexR
Reverse suggests: agridat, AICcmodavg, broom, mi, rstanarm
Reverse enhances: MuMIn, prediction, stargazer, texreg


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