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\name{anova.glmRob}
\alias{anova.glmRob}
\alias{anova.glmRoblist}
\title{ANOVA for Robust Generalized Linear Model Fits}
\description{
Compute an analysis of variance table for one or more robust generalized linear model fits.
}
\usage{
\method{anova}{glmRob}(object, ..., test = c("none", "Chisq", "F", "Cp"))
\method{anova}{glmRoblist}(object, ..., test = c("none", "Chisq", "F", "Cp"))
}
\arguments{
\item{object}{a glmRob object.}
\item{\dots}{additional glmRob objects.}
\item{test}{a character string specifying the test statistic to be used. Can be one of "F", "Chisq", "Cp" or "none" for no test.}
}
\value{
an \code{anova} object.
}
\seealso{
\code{\link{glmRob}},
\code{\link{anova}},
\code{\link{anova.glmRoblist}}.
}
\examples{
data(breslow.dat)
bres.int <- glmRob(sumY ~ Age10 + Base4*Trt, family = poisson(), data = breslow.dat)
anova(bres.int)
bres.main <- glmRob(sumY ~ Age10 + Base4 + Trt, family = poisson(), data = breslow.dat)
anova(bres.main, bres.int)
}
\keyword{robust}
\keyword{regression}
\keyword{methods}
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