deAyala: Description of deAyala data

deAyalaR Documentation

Description of deAyala data

Description

Mathematics data from de Ayala (2009; pg. 14); 5 item dataset in table format.

Author(s)

Phil Chalmers rphilip.chalmers@gmail.com

References

de Ayala, R. J. (2009). The theory and practice of item response theory. Guilford Press.

Examples



dat <- expand.table(deAyala)
head(dat)
itemstats(dat)



philchalmers/mirt documentation built on March 29, 2025, 10:42 a.m.