1\name{svrVar} 2\alias{svrVar} 3%- Also NEED an `\alias' for EACH other topic documented here. 4\title{Compute variance from replicates } 5\description{ 6Compute an appropriately scaled empirical variance estimate from 7replicates. The \code{mse} argument specifies whether the sums of 8squares should be centered at the point estimate (\code{mse=TRUE}) or 9the mean of the replicates. It is usually taken from the \code{mse} 10component of the design object. 11} 12\usage{ 13svrVar(thetas, scale, rscales, na.action=getOption("na.action"), 14 mse=getOption("survey.replicates.mse"),coef) 15} 16%- maybe also `usage' for other objects documented here. 17\arguments{ 18 \item{thetas}{matrix whose rows are replicates (or a vector of replicates)} 19 \item{scale}{Overall scaling factor} 20 \item{rscales}{Scaling factor for each squared deviation } 21 \item{na.action}{How to handle replicates where the statistic could 22 not be estimated} 23 \item{mse}{if \code{TRUE}, center at the point estimated, if 24 \code{FALSE} center at the mean of the replicates} 25 \item{coef}{The point estimate, required only if \code{mse==TRUE}} 26} 27\value{ 28covariance matrix. 29} 30\seealso{\code{\link{svrepdesign}}, \code{\link{as.svrepdesign}}, 31 \code{\link{brrweights}}, 32 \code{\link{jk1weights}}, \code{\link{jknweights}}} 33 34\keyword{survey}% at least one, from doc/KEYWORDS 35 36