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\name{geom_density}
\alias{geom_density}
\alias{GeomDensity}
\title{geom\_density}
\description{Display a smooth density estimate}
\details{
A smooth density estimate calculated by stat\_densityThis page describes geom\_density, see \code{\link{layer}} and \code{\link{qplot}} for how to create a complete plot from individual components.
}
\section{Aesthetics}{
The following aesthetics can be used with geom\_density. Aesthetics are mapped to variables in the data with the aes function: \code{geom\_density(aes(x = var))}
\itemize{
\item \code{x}: x position (\strong{required})
\item \code{y}: y position (\strong{required})
\item \code{fill}: internal colour
\item \code{weight}: observation weight used in statistical transformation
\item \code{colour}: border colour
\item \code{alpha}: transparency
\item \code{size}: size
\item \code{linetype}: line type
}
}
\usage{geom_density(mapping = NULL, data = NULL, stat = "density", position = "identity",
na.rm = FALSE, ...)}
\arguments{
\item{mapping}{mapping between variables and aesthetics generated by aes}
\item{data}{dataset used in this layer, if not specified uses plot dataset}
\item{stat}{statistic used by this layer}
\item{position}{position adjustment used by this layer}
\item{na.rm}{NULL}
\item{...}{ignored }
}
\seealso{\itemize{
\item \code{\link{geom_histogram}}: for the histogram
\item \url{http://had.co.nz/ggplot2/geom_density.html}
}}
\value{A \code{\link{layer}}}
\examples{\dontrun{
# See stat_density for examples
}}
\author{Hadley Wickham, \url{http://had.co.nz/}}
\keyword{hplot}
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