logLik: Extract log-likelihood

In seonghobae/flirt.x32: Flexible Item Response Theory Modeling

Description

A generic function to extract the log-likelihood from flirt objects.

Usage

## S3 method for class 'flirt'
logLik(object, ...)

Arguments

object	an object inheriting from class flirt.
...	additional arguments; currently none is used.

Value

Returns an object of class logLik giving the log-likelihood value and npar (number of freely estimated parameters)

Author(s)

Minjeong Jeon <[e-mail]>

See Also

flirt

Examples

library(flirt)

## verbal aggression data

data(verb2)

# 2-dimensional 2PL model  for binary data: a(th+b) parameterization
model1 <- flirt(data=verb2, select=2:25, loading=list(on=TRUE, inside=TRUE),  
            mul=list(on=TRUE, dim_info=list(dim1=1:12, dim2=13:24))  )

logLik(model1)

seonghobae/flirt.x32 documentation built on May 29, 2019, 6:54 p.m.