lordif (0.1-9)

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)

Maintainer: Seung W. Choi
Author(s): Seung W. Choi, with contributions from Laura E. Gibbons and Paul K. Crane

License: GPL (>= 2)

Uses: Design, Hmisc, ltm, MASS, msm, mvtnorm, polycor, sfsmisc

Released about 9 years ago.