logLik.mnprobit: Extract Log-Likelihood from a Fit of the mnprobit Function.
Description
Extract Log-Likelihood from a model fit
of the mnprobit
function.
Usage
# S3 method for mnprobit
logLik(object, ...)
Value
Returns an object of class 'logLik'.
Arguments
- object
object of class "mnprobit"
- ...
further arguments (currently ignored)
Details
If estimator == "2step"
in
mnprobit
then function may return
NA
value since two-step estimator of covariance matrix may be
not positively defined.