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: | 0.1-1 |
| Depends: | R (≥ 2.7.0), MASS, msm, mvtnorm, polycor, ltm, Hmisc, Design |
| Published: | 2009-07-26 |
| 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) |
| CRAN checks: | lordif results |
| Package source: | lordif_0.1-1.tar.gz |
| MacOS X binary: | lordif_0.1-1.tgz |
| Windows binary: | lordif_0.1-1.zip |
| Reference manual: | lordif.pdf |