Psychometric analysis and scoring of judgment data using polytomous Item-Response Theory (IRT) models, as described in Myszkowski and Storme (2019) <doi:10.1037/aca0000225> and Myszkowski (2021) <doi:10.1037/aca0000287>. A function is used to automatically compare and select models, as well as to present a variety of model-based statistics. Plotting functions are used to present category curves, as well as information, reliability and standard error functions.
Version: 1.1.2 Depends: R (≥ 3.5.0), directlabels (≥ 2021.1.13) Imports: mirt (≥ 1.34), psych (≥ 2.1.9), irr (≥ 0.84.1), methods, utils, stats, dplyr (≥ 1.0.7), tidyr (≥ 1.1.4), ggplot2 (≥ 3.3.5), ggsci (≥ 2.9) Suggests: knitr, rmarkdown Published: 2023-04-13 DOI: 10.32614/CRAN.package.jrt Author: Nils Myszkowski [aut, cre] Maintainer: Nils Myszkowski <nilsmyszkowskiscience at gmail.com> License: GPL-3 NeedsCompilation: no Citation: jrt citation info Materials: README NEWS In views: Psychometrics CRAN checks: jrt results Documentation: Downloads: Linking:Please use the canonical form https://CRAN.R-project.org/package=jrt to link to this page.
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