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\name{boxplot2}
\alias{boxplot2}
\title{Produce a Boxplot Annotated with the Number of Observations}
\description{
This funcntion uses \code{boxplot} to produce a boxplot which is then
annotated with the number of observations in each group.
}
\usage{
boxplot2(..., top=FALSE, shrink=1, textcolor=NULL)
}
\arguments{
\item{\dots}{ parameters passed to \code{boxplot}. }
\item{top}{ logical indicating whether the number of observations
should be added to the top or the bottom of the plotting
region. Defaults to \code{FALSE}. }
\item{shrink}{ value to shrink character size (cex) when annotating.}
\item{textcolor}{ text color. }
}
\author{ Gregory R. Warnes \email{greg@warnes.net}}
\note{
This function replaces \code{boxplot.n}, which has been deprecated
avoid potential problems with S3 method dispatching.
}
\seealso{
\code{\link{boxplot}},
\code{\link{text}}
}
\examples{
data(state)
# n's at bottom
boxplot2( state.area ~ state.region)
# n's at top
boxplot2( state.area ~ state.region, top=TRUE)
# small red text
boxplot2( state.area ~ state.region, shrink=0.8, textcolor="red")
}
\keyword{ hplot }
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