Compare observed and replicated IRT discrepancy statistics

Usage

eyeprocess_irt_ppc_discrepancy(
  observed,
  replicated,
  statistic = c("mean_score", "score_sd", "item_means", "max_item_residual")
)

Arguments

observed: Observed responses or observed values.
replicated: Replicated data or replicated statistic values.
statistic: Discrepancy statistic or statistic function.

Value

An object of class "eye_irt_ppc_discrepancy", stored as a named list, with components "statistic", "observed", "replicated", "posterior_predictive_p", "interval". It contains observed and replicated IRT discrepancy statistics and associated metadata or diagnostics needed to interpret the result.