GetRequiredAttributes

a nitems by nattributes matrix that specifies which items are required for mastery of each attribute (i.e., latent variable)

qmatrix

a numeric nclasses by nattributes matrix of all possible attribute profiles

pmatrix


Generates a matrix of required attributes


Analysis of dichotomous response data to obtain attribute profile
estimates for respondents using Diagnostic Classification Model (DCM) and
Markov Chain Monte Carlo (MCMC) method. The estimation procedure uses a
loglinear cognitive diagnostic modeling (LDCM) framework that allows for
the estimation of a host of DCMs such as NIDO, NIDA, NC-RUM etc.

GetRequiredAttributes: Generate required attributes

Description

Usage

Arguments

Value