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)
Value
An object of class matrix.
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.
Author
Haijiang Qin <Haijiang133@outlook.com>
References
de la Torre, J. (2011). The Generalized DINA Model Framework. Psychometrika, 76(2), 179-199. DOI: 10.1007/s11336-011-9207-7.