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immer (version 0.8-5)

Item Response Models for Multiple Ratings

Description

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.

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Version

Install

install.packages('immer')

Monthly Downloads

423

Version

0.8-5

License

GPL (>= 2)

Maintainer

Alexander Robitzsch

Last Published

April 27th, 2017

Functions in immer (0.8-5)

data.immer

Some Example Datasets for the immer Package
immer-package

Item Response Models for Multiple Ratings
immer_install

Support for the installation of the DOS-version from FACETS
immer_opcat

Estimation of Integer Item Discriminations
immer_reshape_wideformat

Creating a Rating Dataset in Wide Format
immer_unique_patterns

Extracts Unique Item Response Patterns
immer_FACETS

Wrapper to FACDOS
immer_HRM

Hierarchical Rater Model (Patz et al., 2002)
immer_agree2

Agreement Statistics for 2 Raters
immer_cml

Conditional Maximum Likelihood Estimation for the Linear Logistic Partial Credit Model
lc2_agreement

A Latent Class Model for Agreement of Two Raters
probs2logits

Conversion of Probabilities into Logits
simulate_HRM

Simulating the Hierarchical Rater Model (Patz et al., 2002)