mirt (0.1-20)
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, polytomous confirmatory and exploratory item response models, and partially-compensatory item response modeling in conjunction with other IRT models.
Maintainer:
Phil Chalmers
Author(s): Phil Chalmers <rphilip.chalmers@gmail.com>
License: GPL (>= 2)
Uses: GPArotation, lattice, MASS, Matrix, mvtnorm, psych
Released over 1 year ago.
