R: Item Response Theory Modeling and Scoring for Judgment Data

# Item Response Theory Modeling and Scoring for Judgment Data

## Documentation for package ‘jrt’ version 1.1.2

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

anova-method | anova method for objects returned by the jrt function.
info.plot | Plot the information function for a judge or for the entire set of judges.
jcc.plot | Plot the category curves for a judge.
jrt | Fit ordinal IRT models on judgment data and return factor scores and statistics.
jrt-class | Object returned by the jrt function.
ratings | A simulated dataset with 300 products judged by 6 judges.
ratings_missing | A simulated dataset with 350 cases judged by 5 judges, using a planned missingness design.