lordif: Logistic Regression Differential Item Functioning using IRT

Analysis of Differential Item Functioning (DIF) for dichotomous and polytomous items using an iterative hybrid of (ordinal) logistic regression and item response theory (IRT)

Version: 0.2-2
Depends: R (≥ 2.7.0), MASS, msm, mvtnorm, polycor, sfsmisc, ltm, Hmisc, rms
Published: 2012-04-05
Author: Seung W. Choi, with contributions from Laura E. Gibbons and Paul K. Crane
Maintainer: Seung W. Choi <s-choi at northwestern.edu>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Citation: lordif citation info
In views: Psychometrics
CRAN checks: lordif results


Reference manual: lordif.pdf
Package source: lordif_0.2-2.tar.gz
Windows binaries: r-devel: lordif_0.2-2.zip, r-release: lordif_0.2-2.zip, r-oldrel: lordif_0.2-2.zip
OS X Snow Leopard binaries: r-release: lordif_0.2-2.tgz, r-oldrel: lordif_0.2-2.tgz
OS X Mavericks binaries: r-release: lordif_0.2-2.tgz
Old sources: lordif archive