Item Response Theory Modeling and Scoring for Judgment Data

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Documentation for package ‘jrt’ version 1.1.2

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

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.