simulation_data_cache-class {TestDesign}

Class 'simulation_data_cache': data cache for Shadow()

Description

simulation_data_cache is an S4 class for representing data cache for Shadow().

Slots

item_pool

the item_pool object.

theta_grid

the theta grid to use as quadrature points.

prob_grid

the list containing item response probabilities at theta quadratures.

info_grid

the matrix containing item information values at theta quadratures.

max_info

the maximum value of info_grid.

true_theta

(optional) the true theta values.

response_data

(optional) the matrix containing item responses.