MultiLCIRT: An R package for multidimensional latent class item response models

A class of Item Response Theory (IRT) models for binary and ordinal polytomous items is illustrated and an R package for dealing with these models, named MultiLCIRT, is described. The models at issue extend traditional IRT models allowing for multidimensionality and discreteness of latent traits. Th...

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Veröffentlicht in:	Computational statistics & data analysis 2014-03, Vol.71, p.971-985
Hauptverfasser:	Bartolucci, Francesco, Bacci, Silvia, Gnaldi, Michela
Format:	Artikel
Sprache:	eng
Schlagworte:	Agglomeration Assessments Data processing EM algorithm HADS data Mathematical analysis Mathematical models Model-based clustering NAEP data Packages Parametrization Statistics
Online-Zugang:	Volltext
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