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Compute a test information curve from item parameters

Source: R/083-irt-foundations-information-0-9.R
eyeprocess_irt_test_information.Rd

Compute a test information curve from item parameters

Usage

eyeprocess_irt_test_information(theta, items, D = 1)

Arguments

theta

Latent-trait value or vector of latent-trait values.

items

Item-parameter data frame or item collection.

D

Logistic scaling constant.

Value

An object of class "eye_irt_information_profile", "data.frame", stored as a data frame, containing a test information curve from item parameters and associated metadata needed to interpret the result.