immer (1.0-138)

Item Response Models for Multiple Ratings.

https://github.com/alexanderrobitzsch/immer
http://cran.r-project.org/web/packages/immer

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.

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

Released 10 months ago.