immer (0.1-1)

Item Response Models for Multiple Ratings.

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.

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

License: GPL (>= 2)

Uses: CDM, coda, psychotools, Rcpp, sirt, eRm, irr, TAM

Released over 3 years ago.