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\name{plot}
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\title{Generic X-Y Plotting}
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hornik |
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\alias{plot}
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\synopsis{
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plot(x, \dots)
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}
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\usage{
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plot(x, y, xlim=range(x), ylim=range(y), type="p",
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main, xlab, ylab, \dots)
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}
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\arguments{
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\item{x}{the coordinates of points in the plot. Alternatively, a
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maechler |
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single plotting structure, function or \emph{any \R object with a
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ripley |
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\code{plot} method} can be provided.}
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pd |
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\item{y}{the y coordinates of points in the plot, \emph{optional}
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if \code{x} is an appropriate structure.}
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\item{xlim, ylim}{the ranges to be encompassed by the x and y axes.}
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\item{type}{what type of plot should be drawn. Possible types are
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\itemize{
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leisch |
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\item \code{"p"} for \bold{p}oints,
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\item \code{"l"} for \bold{l}ines,
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\item \code{"b"} for \bold{b}oth,
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\item \code{"c"} for the lines part alone of \code{"b"},
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\item \code{"o"} for both ``\bold{o}verplotted'',
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\item \code{"h"} for ``\bold{h}istogram'' like (or
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``high-density'') vertical lines,
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\item \code{"s"} for stair \bold{s}teps,
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\item \code{"S"} for other \bold{s}teps, see \emph{Details} below,
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leisch |
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\item \code{"n"} for no plotting.
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hornik |
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}
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All other \code{type}s give a warning or an error; using, e.g.,
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\code{type = "punkte"} being equivalent to \code{type = "p"} for S
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compatibility.
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maechler |
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}
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hornik |
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\item{main}{an overall title for the plot.}
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\item{xlab}{a title for the x axis.}
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\item{ylab}{a title for the y axis.}
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\item{\dots}{graphical parameters can be given as arguments to
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\code{plot}.}
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maechler |
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}
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\description{
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hornik |
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Generic function for plotting of \R objects. For more details about
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the graphical parameter arguments, see \code{\link{par}}.
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}
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\details{
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For simple scatter plots, \code{\link{plot.default}} will be used.
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However, there are \code{plot} methods for many \R objects,
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including \code{\link{function}}s, \code{\link{data.frame}}s,
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\code{\link{density}} objects, etc. Use \code{methods(plot)} and
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the documentation for these.
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The two step types differ in their x-y preference: Going from
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\eqn{(x1,y1)} to \eqn{(x2,y2)} with \eqn{x1 < x2}, \code{type = "s"}
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moves first horizontal, then vertical, whereas \code{type = "S"} moves
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the other way around.
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}
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\seealso{
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maechler |
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\code{\link{plot.default}}, \code{\link{plot.formula}} and other
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methods; \code{\link{points}}, \code{\link{lines}}, \code{\link{par}}.
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maechler |
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}
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r |
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\examples{
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maechler |
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data(cars)
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r |
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plot(cars)
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lines(lowess(cars))
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pd |
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plot(sin, -pi, 2*pi)
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## Discrete Distribution Plot:
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plot(table(rpois(100,5)), type = "h", col = "red", lwd=10,
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main="rpois(100,lambda=5)")
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pd |
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## Simple quantiles/ECDF, see ecdf() {library(stepfun)} for a better one:
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plot(x <- sort(rnorm(47)), type = "s", main = "plot(x, type = \"s\")")
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points(x, cex = .5, col = "dark red")
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}
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maechler |
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\keyword{hplot}
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