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Estimates item parameters of the two-parameter logistic (2PL) model in Item Response Theory (IRT) using the marginal Bayesian modal estimation via the Expectation-Maximization (EM) algorithm. The package calibrates item discrimination and difficulty parameters, yielding results comparable to software like 'BILOG-MG'.
| Version: | 1.0.1 |
| Depends: | R (≥ 3.5.0) |
| Imports: | IRTBEMM, statmod |
| Published: | 2026-08-26 |
| DOI: | 10.32614/CRAN.package.irtbem2pl |
| Author: | Juan Luis Legorreta Torres [aut, cre] |
| Maintainer: | Juan Luis Legorreta Torres <jlegorreta2002 at yahoo.com.mx> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| URL: | https://github.com/juanluislegorretatorres/irtbem2pl |
| NeedsCompilation: | no |
| Language: | en-US |
| Materials: | NEWS |
| CRAN checks: | irtbem2pl results |
| Reference manual: | irtbem2pl.html , irtbem2pl.pdf |
| Package source: | irtbem2pl_1.0.1.tar.gz |
| Windows binaries: | r-devel: irtbem2pl_1.0.1.zip, r-release: irtbem2pl_1.0.1.zip, r-oldrel: irtbem2pl_1.0.1.zip |
| macOS binaries: | r-release (arm64): irtbem2pl_1.0.1.tgz, r-oldrel (arm64): irtbem2pl_1.0.1.tgz, r-release (x86_64): irtbem2pl_1.0.1.tgz, r-oldrel (x86_64): irtbem2pl_1.0.1.tgz |
| Old sources: | irtbem2pl archive |
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