Data Analysis Using Regression and Multilevel/Hierarchical Models R package arm version 1.15-3 CRAN Task View: Bayesian (https://CRAN.R-project.org/view=Bayesian) CRAN Task View: TeachingStatistics (https://CRAN.R-project.org/view=TeachingStatistics) Functions to accompany A. Gelman and J. Hill, Data Analysis Using Regression and Multilevel/Hierarchical Models, Cambridge University Press, 2007. Software Depends: R (>= 3.1.0), MASS, Matrix (>= 1.6-1.1), stats, lme4 (>= 1.0) Imports: abind, coda, graphics, grDevices, methods, nlme, utils Yu-Sung Su <suyusung@tsinghua.edu.cn> Comprehensive R Archive Network (CRAN) Andrew Gelman [aut], Yu-Sung Su [aut, cre] (ORCID: <https://orcid.org/0000-0001-5021-8209>), Masanao Yajima [ctb], Jennifer Hill [ctb], Maria Grazia Pittau [ctb], Jouni Kerman [ctb], Tian Zheng [ctb], Vincent Dorie [ctb] GPL (>= 2) 2026-04-15 application/tgz https://CRAN.R-project.org/package=arm doi:10.32614/CRAN.package.arm