or_limits_irt: Calculate Odds Ratio Limits for IRT models Calculates limits...

In Famondir/birtms: Creates and analyses Bayesian IRT models

Description

Calculate Odds Ratio Limits for IRT models Calculates limits for odds ratio values for itempairs to check if they show misfit assuming that data is generated by a one-dimensional 1PL or 2PL model. LIMITS ON LOG ODDS RATIOS FOR UNIDIMENSIONAL ITEM RESPONSE THEORY MODELS (Haberman, 2007)

Usage

or_limits_irt(ai = 1, aj = 1, sigma = 1, beta = 0)

Arguments

ai	double; slope of item 1
aj	double; slope of item 2
sigma	double; standard deviation
beta	double

Value

list(lower_limit, upper_limit) of doubles

Famondir/birtms documentation built on Feb. 18, 2022, 2:51 a.m.