eyeprocess_irt_map_score: MAP score for dichotomous IRT item parameters

In eyeprocess: Harmonize Eye-Tracking, Pupillometry, Biometrics, and Psychometric Process Data

MAP score for dichotomous IRT item parameters

Description

MAP score for dichotomous IRT item parameters

Usage

eyeprocess_irt_map_score(
  response,
  items,
  bounds = c(-6, 6),
  prior_mean = 0,
  prior_sd = 1,
  D = 1
)

Arguments

response	Observed item response or response variable.
items	Item-parameter data frame or item collection.
bounds	Numerical lower and upper optimization bounds.
prior_mean	Mean of the normal latent-trait prior.
prior_sd	Standard deviation of the normal latent-trait prior.
D	Logistic scaling constant.

Value

An object of class "eye_irt_score", stored as a named list, with components "estimate", "objective", "method", "bounds". It contains mAP score for dichotomous IRT item parameters and associated metadata or diagnostics needed to interpret the result.

eyeprocess documentation built on Sept. 28, 2026, 5:08 p.m.