Detection of Differential Item Functioning (DIF) and Differential Distractor Functioning (DDF) by Non-Linear Regression Models

Detection of DIF among dichotomously scored items and DDF among unscored items with non-linear regression procedures based on generalized logistic regression models.


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Reference manual

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install.packages("difNLR")

1.1.1 by Adela Drabinova, 3 months ago


Report a bug at https://github.com/drabinova/difNLR/issues


Browse source code at https://github.com/cran/difNLR


Authors: Adela Drabinova [aut, cre], Patricia Martinkova [aut], Karel Zvara [aut]


Documentation:   PDF Manual  


Task views: Psychometric Models and Methods


GPL-3 license


Depends on CTT, ggplot2, methods, msm, nnet, reshape2, stats


Imported by ShinyItemAnalysis.


See at CRAN