ifind2: Item Fit indexes 'chi^2' and 'g^2' statistics that cut scores...

In takuizum/irtfun2: Some useful functions for IRT

Description

Item Fit indexes 'chi^2' and 'g^2' statistics that cut scores based on observed score.

Usage

ifind2(x, para, theta, Gc = 2, fc = 3, p = 0.05, D = 1.702)

Arguments

x	data.frame of item response data.
para	item parameter data.frame estimated by estip.
theta	theta parameter vector. This length must be same to x.
Gc	the munber of sub groups.
fc	a first column of item response data.frame.
p	p value.
D	a scale constant

takuizum/irtfun2 documentation built on May 10, 2020, 8:30 a.m.