ltm (0.9-9)
Latent Trait Models under IRT.
http://rwiki.sciviews.org/doku.php?id=packages:cran:ltm
http://cran.r-project.org/web/packages/ltm
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.
Maintainer:
Dimitris Rizopoulos
Author(s): Dimitris Rizopoulos <d.rizopoulos@erasmusmc.nl>
License: GPL (>= 2)
Uses: MASS, msm, mvtnorm, polycor
Reverse depends: difR, infutil, irtoys, lordif, pcaPA
Reverse suggests: catIrt, latdiag
Released 8 months ago.
11 previous versions
- ltm_0.9-8. Released 9 months ago.
- ltm_0.9-7. Released over 1 year ago.
- ltm_0.9-6. Released over 1 year ago.
- ltm_0.9-5. Released over 2 years ago.
- ltm_0.9-4. Released about 3 years ago.
- ltm_0.9-3. Released over 3 years ago.
- ltm_0.9-2. Released over 3 years ago.
- ltm_0.9-1. Released almost 4 years ago.
- ltm_0.9-0. Released about 4 years ago.
- ltm_0.8-5. Released almost 5 years ago.
- ltm_0.8-2. Released over 5 years ago.
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