epmfd: Exploratory and Person/Item Misfit Diagnostics for Polytomous Data (original) (raw)
Analysis of items and persons in data. To identify and remove person misfit in polytomous item-response data using either 'mokken' or a graded response model (GRM, via 'mirt'). Provides automatic thresholds, visual diagnostics (2D/3D), and export utilities. Methods build on Mokken scaling as in Mokken (1971, ISBN:9789027968821) and on the graded response model of Samejima (1969) <doi:10.1007/BF03372160>.
| Version: | 1.1.1 |
|---|---|
| Depends: | R (≥ 4.1.0) |
| Imports: | dplyr, fs, ggplot2, mirt, mokken, PerFit, readr, rlang, tibble |
| Suggests: | plotly, ggrepel, openxlsx, haven, patchwork, testthat (≥ 3.0.0) |
| Published: | 2025-10-20 |
| DOI: | 10.32614/CRAN.package.epmfd |
| Author: | Hasan Bulut  [aut, cre], Asiye Şengül Avşar [aut] |
| Maintainer: | Hasan Bulut <hasan.bulut at omu.edu.tr> |
| BugReports: | https://github.com/hsnbulut/epmfd/issues |
| License: | GPL-3 |
| URL: | https://github.com/hsnbulut/epmfd |
| NeedsCompilation: | no |
| Materials: | NEWS |
| CRAN checks: | epmfd results |
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