immer (1.1-35)

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Item Response Models for Multiple Ratings.

Implements some item response models for multiple ratings, including the hierarchical rater model, conditional maximum likelihood estimation of linear logistic partial credit model and a wrapper function to the commercial FACETS program. See Robitzsch and Steinfeld (2018) for a description of the functionality of the package. See Wang, Su & Qiu (2014; ) for an overview of modeling alternatives.

Maintainer: Alexander Robitzsch
Author(s): Alexander Robitzsch [aut, cre], Jan Steinfeld [aut]

License: GPL (>= 2)

Uses: CDM, coda, MASS, psychotools, Rcpp, sirt, TAM, eRm, lme4
Reverse enhances: sirt

Released over 1 year ago.

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