statistic_OR: Discrepency measure for PPC: Global Odds ratio for three or...

Description Usage Arguments Value References

Description

This function calculates the (natural logarithm of the) global odds ratio of pairs of items, which are dichotomized beforehand.

Usage

1

Arguments

resp

Numeric matrix of dimension N x J (for N persons and J items) containing the responses.

Value

Vector of length 'J choose 2' odds ratios.

References

Li, T., Xie, C., & Jiao, H. (2017). Assessing fit of alternative unidimensional polytomous IRT models using posterior predictive model checking. Psychological Methods, 22, 397-408. doi:10.1037/met0000082

Zhu, X., & Stone, C. A. (2012). Bayesian comparison of alternative graded response models for performance assessment applications. Educational and Psychological Measurement, 72, 774-799. doi:10.1177/0013164411434638


hplieninger/mpt2irt documentation built on May 17, 2019, 4:54 p.m.