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. |