CDM (version 4.8-0)

logLik: Extract Log-Likelihood

Description

Extracts the log-likelihood from either din, gdina, mcdina, slca or gdm objects.

Usage

## S3 method for class 'din':
logLik(object, \dots)

## S3 method for class 'gdina':
logLik(object, \dots)

## S3 method for class 'mcdina':
logLik(object, \dots)

## S3 method for class 'gdm':
logLik(object, \dots)

## S3 method for class 'slca':
logLik(object, \dots)

Arguments

object

An object inheriting from either class din, class gdina, slca or class gdm.

...

Additional arguments

See Also

din, gdina, gdm, mcdina, slca

Examples

# logLik method | DINA model
data(sim.dina)
data(sim.qmatrix)
d1 <- din(sim.dina, q.matr = sim.qmatrix, rule = "DINA")
summary(d1)
lld1 <- logLik(d1)
  ##   > lld1
  ##   'log Lik.' -2042.378 (df=25)
  ##   > attr(lld1,"df")
  ##   [1] 25
  ##   > attr(lld1,"nobs")
  ##   [1] 400	
nobs(lld1)  

# AIC and BIC
AIC(lld1)
BIC(lld1)