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\name{geom_quantile}
\alias{geom_quantile}
\alias{GeomQuantile}
\title{geom\_quantile}
\description{Add quantile lines from a quantile regression}
\details{
This page describes geom\_quantile, 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\_quantile. Aesthetics are mapped to variables in the data with the aes function: \code{geom\_quantile(aes(x = var))}
\itemize{
\item \code{x}: x position (\strong{required})
\item \code{y}: y position (\strong{required})
\item \code{weight}: observation weight used in statistical transformation
\item \code{colour}: border colour
\item \code{size}: size
\item \code{linetype}: line type
\item \code{alpha}: transparency
}
}
\section{Advice}{
This can be used as a continuous analogue of a geom\_boxplot.
}
\usage{geom_quantile(mapping = NULL, data = NULL, stat = "quantile",
position = "identity", lineend = "butt", linejoin = "round",
linemitre = 1, 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{lineend}{Line end style (round, butt, square)}
\item{linejoin}{Line join style (round, mitre, bevel)}
\item{linemitre}{Line mitre limit (number greater than 1)}
\item{na.rm}{NULL}
\item{...}{other arguments}
}
\seealso{\itemize{
\item \code{\link{geom_line}}: Functional (ordered) lines
\item \code{\link{geom_polygon}}: Filled paths (polygons)
\item \code{\link{geom_segment}}: Line segments
\item \url{http://had.co.nz/ggplot2/geom_quantile.html}
}}
\value{A \code{\link{layer}}}
\examples{\dontrun{
# See stat_quantile for examples
}}
\author{Hadley Wickham, \url{http://had.co.nz/}}
\keyword{hplot}
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