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Analysis of multivariate dichotomous and polytomous data using latent trait models under the Item Response Theory approach. It includes the Rasch, the Two-Parameter Logistic, the Birnbaum's Three-Parameter, the Graded Response, and the Generalized Partial Credit Models.
| Version: | 1.2-0 |
| Depends: | R (≥ 3.0.0), MASS, msm, polycor |
| Published: | 2022-02-18 |
| DOI: | 10.32614/CRAN.package.ltm |
| Author: | Dimitris Rizopoulos |
| Maintainer: | Dimitris Rizopoulos <d.rizopoulos at erasmusmc.nl> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| URL: | https://github.com/drizopoulos/ltm |
| NeedsCompilation: | no |
| Citation: | ltm citation info |
| Materials: | NEWS |
| In views: | MissingData, Psychometrics |
| CRAN checks: | ltm results |
| Reference manual: | ltm.pdf |
| Package source: | ltm_1.2-0.tar.gz |
| Windows binaries: | r-devel: ltm_1.2-0.zip, r-release: ltm_1.2-0.zip, r-oldrel: ltm_1.2-0.zip |
| macOS binaries: | r-release (arm64): ltm_1.2-0.tgz, r-oldrel (arm64): ltm_1.2-0.tgz, r-release (x86_64): ltm_1.2-0.tgz, r-oldrel (x86_64): ltm_1.2-0.tgz |
| Old sources: | ltm archive |
| Reverse depends: | catSurv, GPCMlasso, IMTest, integIRTy, irtoys, kequate, PCMRS, PerFit, subscore, UPCM |
| Reverse imports: | CTTShiny, difR, hIRT, irtreliability, IRTShiny, missCompare, MultIS, PsyControl, RSP, tcl |
| Reverse suggests: | catIrt, equateIRT, equateMultiple, latdiag, RMX, ShinyItemAnalysis |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.