create_prob_array {cat.dt} | R Documentation |
For every item (dim 1) in an item bank and every evaluated ability level (dim 2), computes the probability of picking every possible response (dim 3) given the ability level
create_prob_array(model, bank, nres)
model |
polytomous IRT model. Options: |
bank |
matrix of the item bank. Rows represent items, and columns
represent parameters. If the model is |
nres |
vector of number of possible responses for every item |
A 3-dimensional array of probability responses
Javier RodrÃguez-Cuadrado