mirt (0.1-14)
Multidimensional Item Response Theory.
http://cran.r-project.org/web/packages/mirt
Analysis of dichotomous and polychotomous response data using latent trait models under the Item Response Theory paradigm. Includes the multivariate two- and three-parameter logistic models, confirmatory bifactor analysis, and polytomous confirmatory and exploratory item response models.
Maintainer:
Phil Chalmers
Author(s): Phil Chalmers <rphilip.chalmers@gmail.com>
License: GPL (>= 2)
Uses: GPArotation, mvtnorm, psych, sem, SparseM, lattice
Released almost 2 years ago.
