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: | 1.0-0 |
Depends: | R (≥ 2.14.0), MASS, msm, polycor |
Published: | 2013-12-20 |
Author: | Dimitris Rizopoulos |
Maintainer: | Dimitris Rizopoulos <d.rizopoulos at erasmusmc.nl> |
License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
URL: | http://rwiki.sciviews.org/doku.php?id=packages:cran:ltm |
NeedsCompilation: | no |
Citation: | ltm citation info |
Materials: | NEWS |
In views: | Multivariate, Psychometrics, SocialSciences |
CRAN checks: | ltm results |
Reference manual: | ltm.pdf |
Package source: | ltm_1.0-0.tar.gz |
Windows binaries: | r-devel: ltm_1.0-0.zip, r-release: ltm_1.0-0.zip, r-oldrel: ltm_1.0-0.zip |
OS X Snow Leopard binaries: | r-release: ltm_1.0-0.tgz, r-oldrel: ltm_1.0-0.tgz |
OS X Mavericks binaries: | r-release: ltm_1.0-0.tgz |
Old sources: | ltm archive |
Reverse depends: | difR, infutil, irtoys, kequate, lordif, PerFit |
Reverse imports: | CTTShiny, IRTShiny, userfriendlyscience |
Reverse suggests: | catIrt |