item_target: Computation of item targets for polytomous models

Description Usage Arguments Value Author(s) Examples

View source: R/Rasch-Model.R

Description

The item target is the value of the person parameter where item information is maximized.

Usage

1

Arguments

obj

object of class "eRm" (but not "dRm"), a fitted partial credit model using the function PCM in package eRm.

Value

vector with item targets.

Author(s)

Marianne Mueller

Examples

1
2
 pc.mod <- PCM(desc2[, 5:14])
 item_target(pc.mod)

muellermarianne/iarm documentation built on June 7, 2018, 1:13 p.m.