calc_info_EB function

Calculate the Fisher information using empirical Bayes

Calculate the Fisher information using empirical Bayes.

calc_info_EB(x, item_parm, ncat, model)

Arguments

• x: A numeric vector of MCMC sampled theta values.
• item_parm: A numeric matrix of item parameters.
• ncat: a numeric vector specifying the number of response categories in each item.
• model: a numeric vector indicating the IRT models of each item (1: 1PL, 2: 2PL, 3: 3PL, 4: PC, 5: GPC, 6: GR).