IRT.frequencies.tam: Observed and Expected Frequencies for Univariate and...

In alexanderrobitzsch/TAM: Test Analysis Modules

Observed and Expected Frequencies for Univariate and Bivariate Distributions

Description

Computes observed and expected frequencies for univariate and bivariate distributions for models fitted in TAM. See CDM::IRT.frequencies for more details.

Usage

## S3 method for class 'tam.mml'
IRT.frequencies(object, ...)

## S3 method for class 'tam.mml.3pl'
IRT.frequencies(object, ...)

## S3 method for class 'tamaan'
IRT.frequencies(object, ...)

Arguments

object	Object of class tam, tam.mml, tam.mml.3pl or tamaan.
...	Further arguments to be passed

Value

See CDM::IRT.frequencies.

See Also

CDM::IRT.frequencies

Examples

## Not run: 
#############################################################################
# EXAMPLE 1: Dichotomous data data.sim.rasch
#############################################################################

data(data.sim.rasch)
dat <- data.sim.rasch

# estimate model
mod1 <- TAM::tam.mml(dat)
# compute observed and expected frequencies
fmod1 <- IRT.frequencies(mod1)
str(fmod1)

## End(Not run)

alexanderrobitzsch/TAM documentation built on Feb. 21, 2024, 5:59 p.m.