sim_q_matrix {simcdm} | R Documentation |
Generate a Random Identifiable Q Matrix
Description
Simulates a Q matrix containing three identity matrices after a row permutation that is identifiable.
Usage
sim_q_matrix(J, K)
Arguments
J |
Number of Items |
K |
Number of Attributes |
Value
A dichotomous matrix
for Q.
Author(s)
Steven Andrew Culpepper and James Joseph Balamuta
See Also
attribute_bijection()
and attribute_inv_bijection()
Examples
## Simulate identifiable Q matrices ----
# 7 items and 2 attributes
q_matrix_j7_k2 = sim_q_matrix(7, 2)
# 10 items and 3 attributes
q_matrix_j10_k3 = sim_q_matrix(10, 3)
[Package simcdm version 0.1.2 Index]