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ltm: Latent Trait Models under IRT
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.
Getting started
Browse package contents
Package details |
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| Author | Dimitris Rizopoulos <d.rizopoulos@erasmusmc.nl> |
| Maintainer | Dimitris Rizopoulos <d.rizopoulos@erasmusmc.nl> |
| License | GPL (>= 2) |
| Version | 1.2-0 |
| URL | https://github.com/drizopoulos/ltm |
| Package repository | View on CRAN |
| Installation |
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