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Several person-fit statistics (PFSs; Meijer and Sijtsma, 2001, <doi:10.1177/01466210122031957>) are offered. These statistics allow assessing whether individual response patterns to tests or questionnaires are (im)plausible given the other respondents in the sample or given a specified item response theory model. Some PFSs apply to dichotomous data, such as the likelihood-based PFSs (lz, lz*) and the group-based PFSs (personal biserial correlation, caution index, (normed) number of Guttman errors, agreement/disagreement/dependability statistics, U3, ZU3, NCI, Ht). PFSs suitable to polytomous data include extensions of lz, U3, and (normed) number of Guttman errors.
| Version: | 1.4.6 |
| Depends: | ltm, mirt |
| Imports: | stats, graphics, fda, Hmisc, irtoys, MASS, Matrix |
| Published: | 2021-10-15 |
| Author: | Jorge N. Tendeiro |
| Maintainer: | Jorge N. Tendeiro <tendeiro at hiroshima-u.ac.jp> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| NeedsCompilation: | no |
| Citation: | PerFit citation info |
| Materials: | README |
| CRAN checks: | PerFit results |
| Reference manual: | PerFit.pdf |
| Package source: | PerFit_1.4.6.tar.gz |
| Windows binaries: | r-devel: PerFit_1.4.6.zip, r-release: PerFit_1.4.6.zip, r-oldrel: PerFit_1.4.6.zip |
| macOS binaries: | r-release (arm64): PerFit_1.4.6.tgz, r-oldrel (arm64): PerFit_1.4.6.tgz, r-release (x86_64): PerFit_1.4.6.tgz, r-oldrel (x86_64): PerFit_1.4.6.tgz |
| Old sources: | PerFit archive |
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These binaries (installable software) and packages are in development.
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