purify_MH: Performs purification of the Mantel-Haenszel odds ratio in...

In mirka-henninger/raschTreeEffectSize: Helper functions to use the Mantel-Haenszel effect size measure as a stopping criterion in Rasch trees

Description

Performs purification of the Mantel-Haenszel odds ratio in the Delta-scale

Usage

purify_MH(dat, group, sums, MH_stat, which_MH = which_MH)

Arguments

dat	A dataframe with dichotomous item responses
group	An indicator of the two groups for which DIF analyses should be performed
sums	A sum score used as a matching criterion for computing the Mantel Haenszel statistic
MH_stat	A vector or dataframe including the Mantel-Haenszel odds ratio in the Delta-scale
which_MH	a vector containing the item numbers of items with Delta-MH > 1

Value

A list with purified the Mantel-Haenszel odds ratio in the Delta-scale, standard deviation of purified the Mantel-Haenszel odds ratio in the Delta-scale, a vector indicating with items were purified

mirka-henninger/raschTreeEffectSize documentation built on Nov. 14, 2021, 11:15 p.m.