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\name{joyPlot}
\alias{joyPlot}
\title{Display a series of density curves.}
\usage{
joyPlot(x,mar=c(5,4,4,2),newrange=c(0,1),border=NA,fill=NULL,
main="",xlab="",ylab="",xlim=NA,line_labels=names(x),xat=NULL,
xaxlab=NULL)
}
\arguments{
\item{x}{A list of density curves or other objects with x and y values.}
\item{mar}{Margins for the plot.}
\item{newrange}{Passed to \samp{rescale} to scale the values to fit the
bands on the plot. See Details.}
\item{border}{The border colors for the polygons.}
\item{fill}{Optional fill colors for the polygons.}
\item{main}{Text for the title for the plot.}
\item{xlab,ylab}{The x and y axis labels.}
\item{xlim}{Optional limit for the x axis as \samp{density} returns
values outside the range of the values in \samp{x}.}
\item{line_labels}{Labels for the lines/polygons dieplayed.}
\item{xat}{Optional custom x tick positions.}
\item{xaxlab}{Optional custom x tick labels.}
}
\description{
\samp{joyPlot} displays a matrix of density curves or other two
component lists whose names are \samp{x} and \samp{y}. The labels for
each line/polygon are displayed on the left axis of the plot.
The labels default to the names of the components of \samp{x} if these
are present.
}
\details{
The density curves or other x/y lists will be scaled so that the largest
will fit into the one user unit band allocated for each curve by default.
If the second value of \samp{newrange} is changed, the heights of the
curves will change proportionately. See the third exampls.
}
\value{nil}
\author{Jim Lemon}
\seealso{\link{plot}, \link{stackpoly}}
\examples{
x1<-c(sample(20:50,20),sample(40:80,30))
x2<-c(sample(10:40,30),sample(50:90,30))
x3<-sample(20:90,50)
xdens1<-density(x1)
xdens2<-density(x2)
xdens3<-density(x3)
joyPlot(list(xdens1,xdens2,xdens3),main="joyPlot with lines",
xlab="Position",xlim=c(0,100))
xlist<-list(first=xdens1,second=xdens2,third=xdens3)
joyPlot(xlist,main="joyPlot with polygons",xlab="Position",
fill=c("#ffcccc","#ccffcc","#ccccff"),xlim=c(0,100))
joyPlot(xlist,main="joyPlot with overlapping polygons",
fill=c("#ffcccc","#ccffcc","#ccccff"),xlim=c(0,100),
newrange=c(0,1.5),xlab="Position")
}
\keyword{misc}
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