item_target {iarm}R Documentation

Computation of Item Targets for Polytomous Models

Description

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

Usage

item_target(obj)

Arguments

obj

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

Value

vector with item targets.

Author(s)

Marianne Mueller

Examples

## Not run: 
 pc.mod <- PCM(desc2[, 5:14])
 item_target(pc.mod)

## End(Not run)

[Package iarm version 0.4.3 Index]