initializeUsageMatrix function

(Internal) Initialize item usage matrix

initializeUsageMatrix is an internal function for creating a new item usage matrix. An item usage matrix is a (nj, nv) matrix with TRUE or FALSE values. The rows represent examinees, and the columns represent decision variables.

initializeUsageMatrix(simulation_constants)

Arguments

• simulation_constants: a named list containing simulation constants.

Returns

initializeUsageMatrix returns a new item usage matrix.