fit_eyeprocess_lnirt: Fit a joint response/response-time LNIRT model without...

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

Fit a joint response/response-time LNIRT model without fallback substitution

Description

Fit a joint response/response-time LNIRT model without fallback substitution

Usage

fit_eyeprocess_lnirt(Y, RT, quadratic = FALSE, ..., engine = "LNIRT")

Arguments

Y	Item-response matrix supplied to LNIRT.
RT	Response-time matrix supplied to LNIRT.
quadratic	Whether the LNIRT quadratic option is requested.
...	Additional arguments passed to the selected method or external engine.
engine	Requested estimation or analysis engine.

Value

An object of class "eye_external_irt_fit", stored as a named list, with components "status", "engine", "fit", "call", "rt_scale". It contains a joint response/response-time LNIRT model without fallback substitution and associated metadata or diagnostics needed to interpret the result.

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