Extract Log-Likelihood
Extracts the log-likelihood from either din, gdina,
mcdina, slca or gdm objects.
## S3 method for class 'din' logLik(object, ...) ## S3 method for class 'gdina' logLik(object, ...) ## S3 method for class 'mcdina' logLik(object, ...) ## S3 method for class 'gdm' logLik(object, ...) ## S3 method for class 'slca' logLik(object, ...) ## S3 method for class 'reglca' logLik(object, ...)
object |
An object inheriting from either class |
... |
Additional arguments |
data(sim.dina, package="CDM") data(sim.qmatrix, package="CDM") # logLik method | DINA model d1 <- CDM::din( sim.dina, q.matrix=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)
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