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: | 0.9-9 |
| Depends: | R (≥ 2.14.0), MASS, msm, mvtnorm, polycor |
| Published: | 2012-09-17 |
| Author: | Dimitris Rizopoulos |
| Maintainer: | Dimitris Rizopoulos <d.rizopoulos at erasmusmc.nl> |
| License: | GPL (≥ 2) |
| URL: | http://rwiki.sciviews.org/doku.php?id=packages:cran:ltm |
| NeedsCompilation: | no |
| Citation: | ltm citation info |
| In views: | Multivariate, Psychometrics, SocialSciences |
| CRAN checks: | ltm results |
| Package source: | ltm_0.9-9.tar.gz |
| MacOS X binary: | ltm_0.9-9.tgz |
| Windows binary: | ltm_0.9-9.zip |
| Reference manual: | ltm.pdf |
| News/ChangeLog: | NEWS |
| Old sources: | ltm archive |
| Reverse depends: | difR, infutil, irtoys, lordif |
| Reverse suggests: | catIrt, latdiag |