Summary of DIF items

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Description

This function builds a table of DIF items specified in the pwrrasch object

Usage

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itemtable(object, all = FALSE, digits = 2)

Arguments

object

pwrrasch object

all

If TRUE, all items are included in the table.

digits

Integer indicating the number of decimal places.

Author(s)

Takuya Yanagida takuya.yanagida@univie.ac.at, Jan Steinfeld jan.steinfeld@univie.ac.at

Examples

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## Not run: 

# item parameters
ipar2 <- ipar1 <- seq(-3, 3, length.out = 20)
# model differential item function (DIF)
ipar2[10] <- ipar1[11]
ipar2[11] <- ipar1[10]
# simulation for b = 100
simres <- pwr.rasch(100, ipar = list(ipar1, ipar2))
itemtable(simres)

## End(Not run)