calc_info_EB {TestDesign}

Calculate the Fisher information using empirical Bayes

Description

Calculate the Fisher information using empirical Bayes.

Usage

calc_info_EB(x, item_parm, ncat, model)

Arguments

x

A numeric vector of MCMC sampled theta values.

item_parm

A numeric matrix of item parameters.

ncat

a numeric vector specifying the number of response categories in each item.

model

a numeric vector indicating the IRT models of each item (1: 1PL, 2: 2PL, 3: 3PL, 4: PC, 5: GPC, 6: GR).