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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 |
| 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 |
| Reference manual: | jrt.pdf |
| Vignettes: |
Using 'jrt' |
| Package source: | jrt_1.1.2.tar.gz |
| Windows binaries: | r-devel: jrt_1.1.2.zip, r-release: jrt_1.1.2.zip, r-oldrel: jrt_1.1.2.zip |
| macOS binaries: | r-release (arm64): jrt_1.1.2.tgz, r-oldrel (arm64): jrt_1.1.2.tgz, r-release (x86_64): jrt_1.1.2.tgz, r-oldrel (x86_64): jrt_1.1.2.tgz |
| Old sources: | jrt archive |
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