GRM-class {irt}R Documentation

Graded Response Model

Description

Graded Response Model

Slots

a

Item discrimination parameter

b

A vector of threshold parameters

D

Scaling constant

se_a

Standard error of item discrimination parameter

se_b

A vector of standard error of item threshold parameters

Author(s)

Emre Gonulates


[Package irt version 0.2.9 Index]