Extract the log-likelihood of a lcModel — logLik.lcModel • latrend

Extract the log-likelihood of a lcModel

# S3 method for lcModel
logLik(object, ...)

Arguments

object: The lcModel object.
...: Additional arguments.

Value

A numeric with the computed log-likelihood. If unavailable, NA is returned.

Details

The default implementation checks for the existence of the logLik() function for the internal model, and returns the output, if available.

See also

stats::logLik metric

Examples

data(latrendData)

if (rlang::is_installed("lcmm")) {
  method <- lcMethodLcmmGBTM(
    fixed = Y ~ Time,
    mixture = ~ 1,
    id = "Id",
    time = "Time",
    nClusters = 3
  )
  gbtm <- latrend(method, data = latrendData)
  logLik(gbtm)
}
#> 'log Lik.' -962.2536 (df=7)