Regularized Differential Item Functioning R package regDIF version 1.1.1 Performs regularization of differential item functioning (DIF) parameters in item response theory (IRT) models (Belzak & Bauer, 2020) <https://pubmed.ncbi.nlm.nih.gov/31916799/> using a penalized expectation-maximization algorithm. Software Imports: stats (> 3.0.0), utils, statmod, parallel, foreach Suggests: knitr, testthat (>= 2.1.0), covr, rmarkdown William Belzak <wbelzak@gmail.com> Comprehensive R Archive Network (CRAN) William Belzak MIT + file LICENSE (https://CRAN.R-project.org/package=regDIF/LICENSE) 2024-02-23 application/tgz https://CRAN.R-project.org/package=regDIF doi:10.32614/CRAN.package.regDIF