Science: Description of Science data

In mirt: Multidimensional Item Response Theory

Description of Science data

Description

A 4-item data set borrowed from ltm package in R, first example of the grm() function. See more complete documentation therein.

Author(s)

Phil Chalmers [e-mail]

References

Chalmers, R., P. (2012). mirt: A Multidimensional Item Response Theory Package for the R Environment. Journal of Statistical Software, 48(6), 1-29. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.18637/jss.v048.i06")}

Examples

## Not run: 
itemstats(Science)

mod <- mirt(Science, 1)
plot(mod, type = 'trace')

## End(Not run)

mirt documentation built on Oct. 17, 2023, 5:06 p.m.