Skip to contents

EAP score for dichotomous IRT item parameters

Source: R/085-irt-scoring-adaptive-0-9.R
eyeprocess_irt_eap_score.Rd

EAP score for dichotomous IRT item parameters

Usage

eyeprocess_irt_eap_score(
  response,
  items,
  theta_grid = seq(-4, 4, length.out = 81),
  prior_mean = 0,
  prior_sd = 1,
  D = 1
)

Arguments

response

Observed item response or response variable.

items

Item-parameter data frame or item collection.

theta_grid

Grid of latent-trait values used for numerical scoring or integration.

prior_mean

Mean of the normal latent-trait prior.

prior_sd

Standard deviation of the normal latent-trait prior.

D

Logistic scaling constant.