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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/brnb.R
\name{vcov.brnb}
\alias{vcov.brnb}
\title{Extract model variance-covariance matrix from \code{\link[=brnb]{"brnb"}} objects}
\usage{
\method{vcov}{brnb}(object, model = c("mean", "full", "dispersion"), complete = TRUE, ...)
}
\arguments{
\item{object}{an object of class \code{\link[=brnb]{"brnb"}}, typically, a result of a call to \code{\link[=brnb]{brnb()}}.}
\item{model}{character specifying for which component of the model variance-covariance matrix should be extracted.}
\item{complete}{for the \code{aov}, \code{lm}, \code{glm}, \code{mlm}, and where
applicable \code{summary.lm} etc methods: logical indicating if the
full variance-covariance matrix should be returned also in case of
an over-determined system where some coefficients are undefined and
\code{\link[stats]{coef}(.)} contains \code{NA}s correspondingly. When
\code{complete = TRUE}, \code{vcov()} is compatible with
\code{coef()} also in this singular case.}
\item{...}{
additional arguments for method functions. For the
\code{\link[stats]{glm}} method this can be used to pass a
\code{dispersion} parameter.}
}
\description{
Extract model variance-covariance matrix from \code{\link[=brnb]{"brnb"}} objects
}
\details{
The options for \code{model} are \code{"mean"} for mean regression only
(default), \code{"dispersion"} for the dispersion parameter (in a
chosen transformation; see \code{\link[=brglmControl]{brglmControl()}}, and \code{"full"} for both
the mean regression and the (transformed) dispersion parameters.
See \code{\link[=vcov]{vcov()}} for more details.
}
\seealso{
\code{\link[=vcov]{vcov()}}
}
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