Implements some item response models for multiple ratings, including the hierarchical rater model, conditional maximum likelihood estimation of linear logistic partial credit model and a wrapper function to the commercial FACETS program. See Robitzsch and Steinfeld (2018) for a description of the functionality of the package. See Wang, Su and Qiu (2014; <doi:10.1111/jedm.12045>) for an overview of modeling alternatives.
Version: 1.5-13 Depends: R (≥ 3.0-0) Imports: CDM, coda, graphics, methods, psychotools, Rcpp, sirt, stats, TAM LinkingTo: Rcpp, RcppArmadillo Suggests: MASS Enhances: eRm, lme4 Published: 2024-03-21 DOI: 10.32614/CRAN.package.immer Author: Alexander Robitzsch [aut, cre], Jan Steinfeld [aut] Maintainer: Alexander Robitzsch <robitzsch at ipn.uni-kiel.de> License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] URL: https://github.com/alexanderrobitzsch/immer, https://sites.google.com/site/alexanderrobitzsch2/software NeedsCompilation: yes Citation: immer citation info Materials: README NEWS In views: Psychometrics CRAN checks: immer results Documentation: Downloads: Linking:Please use the canonical form https://CRAN.R-project.org/package=immer to link to this page.
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