sim_q_matrix function

Generate a Random Identifiable Q Matrix

Simulates a Q matrix containing three identity matrices after a row permutation that is identifiable.

sim_q_matrix(J, K)

Arguments

• J: Number of Items
• K: Number of Attributes

Returns

A dichotomous matrix for Q.

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)

See Also

attribute_bijection() and attribute_inv_bijection()

Author(s)

Steven Andrew Culpepper and James Joseph Balamuta