get.Mmatrix: Calculate \mathbf{M} matrix

In Qval: The Q-Matrix Validation Methods Framework

Calculate \mathbf{M} matrix

Description

Calculate \mathbf{M} matrix for stauted CDMs (de la Torre, 2011). The \mathbf{M} matrix is a matrix used to represent the interaction mechanisms between attributes.

Usage

get.Mmatrix(K = NULL, pattern = NULL)

Arguments

K	The number of attributes. Can be NULL if the argument pattern is not NULL.
pattern	The attribute mastery pattern matrix containing all possible attribute mastery pattern. Can be gained from attributepattern. Also can be NULL if K is not NULL.

Value

An object of class matrix.

Author(s)

Haijiang Qin <[e-mail]>

References

de la Torre, J. (2011). The Generalized DINA Model Framework. Psychometrika, 76(2), 179-199. DOI: 10.1007/s11336-011-9207-7.

Examples

library(Qval)

example.Mmatrix <-  get.Mmatrix(K = 5)

Qval documentation built on April 3, 2025, 6:20 p.m.