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 |