\name{rva}
\alias{rv<-}
\title{
Substitute variance estimate on a locfit object.
}
\description{
By default, Locfit uses the normalized residual sum of squares as the
variance estimate when constructing confidence intervals.
In some cases, the user may like to use alternative variance
estimates; this function allows the default value to be changed.
}
\usage{
rv(fit) <- value
}
\arguments{
  \item{fit}{\code{"locfit"} object.}
  \item{value}{numeric replacement value.}
}
\seealso{
\link{locfit}(), \link{rv}(), \link{plot.locfit}()
}
\keyword{smooth}