getItemMatrix: getItemMatrix

In conquestr: An R Package to Extend 'ACER ConQuest'

getItemMatrix

Description

generates an item matrix. Useful for

Usage

getItemMatrix(responses, itemParams, ...)

Arguments

responses	a data frame made up of rows of vectors of item responses, one for each case.
itemParams	a list of item designs (each used in a call to simplef). Must be of same length as responses.
...	optional arguments, e.g., perfAdj.

Value

a data frame.

conquestr documentation built on June 8, 2025, 11:02 a.m.