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regDIF: Regularized Differential Item Functioning

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.

Version: 1.1.1
Imports: stats (> 3.0.0), utils, statmod, parallel, foreach
Suggests: knitr, testthat (≥ 2.1.0), covr, rmarkdown
Published: 2024-02-23
DOI: 10.32614/CRAN.package.regDIF
Author: William Belzak
Maintainer: William Belzak <wbelzak at gmail.com>
License: MIT + file LICENSE
NeedsCompilation: no
Citation: regDIF citation info
Materials: README NEWS
CRAN checks: regDIF results

Documentation:

Reference manual: regDIF.pdf
Vignettes: Getting started with regDIF

Downloads:

Package source: regDIF_1.1.1.tar.gz
Windows binaries: r-devel: regDIF_1.1.1.zip, r-release: regDIF_1.1.1.zip, r-oldrel: regDIF_1.1.1.zip
macOS binaries: r-release (arm64): regDIF_1.1.1.tgz, r-oldrel (arm64): regDIF_1.1.1.tgz, r-release (x86_64): regDIF_1.1.1.tgz, r-oldrel (x86_64): regDIF_1.1.1.tgz
Old sources: regDIF archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=regDIF to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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