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To cite lordif in publications, use:
Choi S, Gibbons L, Crane P (2011). “lordif: An R Package for Detecting Differential Item Functioning Using Iterative Hybrid Ordinal Logistic Regression/Item Response Theory and Monte Carlo Simulations.” Journal of Statistical Software. doi:10.18637/jss.v039.i08.
Corresponding BibTeX entry:
@Article{, title = {{lordif}: An R Package for Detecting Differential Item Functioning Using Iterative Hybrid Ordinal Logistic Regression/Item Response Theory and Monte Carlo Simulations}, author = {Seung W. Choi and Laura E. Gibbons and Paul K. Crane}, year = {2011}, doi = {10.18637/jss.v039.i08}, journal = {Journal of Statistical Software}, }
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.