immer: 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.

Version: 0.2-0
Depends: R (≥ 3.0-0)
Imports: methods, stats, graphics, Rcpp, coda, CDM, sirt, psychotools
LinkingTo: Rcpp, RcppArmadillo
Suggests: irr, TAM, eRm
Published: 2015-11-04
Author: Alexander Robitzsch [aut, cre], Jan Steinfeld [aut]
Maintainer: Alexander Robitzsch <robitzsch at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: yes
Materials: NEWS
CRAN checks: immer results


Reference manual: immer.pdf
Package source: immer_0.2-0.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Snow Leopard binaries: r-release: immer_0.2-0.tgz, r-oldrel: not available
OS X Mavericks binaries: r-release: immer_0.2-0.tgz
Old sources: immer archive