Multiple UniDimensional unFOLDing

Nonparametric item response theory (IRT) model for nonmonotonic IRFs, which is fruitful for scale analysis of proximity items.


Reference manual

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1.1.0 by Spyros Balafas, 6 months ago

Browse source code at

Authors: Spyros Balafas [aut, cre], Wim Krijnen [aut], Wendy Post [ctr], Ernst Wit [aut]

Documentation:   PDF Manual  

GPL (>= 2) license

Depends on yesno, gtools, zoo, ggplot2, reshape2, stats, utils

See at CRAN