Usage
mle(object, resp, start_theta = NULL, max_iter = 100, crit = 0.001,
select = NULL, theta_range = c(-4, 4), truncate = FALSE,
max_change = 1, do_Fisher = TRUE)# S4 method for item_pool
mle(object, resp, start_theta = NULL,
max_iter = 50, crit = 0.005, select = NULL, theta_range = c(-4,
4), truncate = FALSE, max_change = 1, do_Fisher = TRUE)