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\description{
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\description{
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Produce box-and-whisker plot(s) of the given (grouped) values.
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Produce box-and-whisker plot(s) of the given (grouped) values.
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}
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}
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\usage{
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\usage{
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\method{boxplot}{default}(x, \dots, range = 1.5, width = NULL, varwidth = FALSE,
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\method{boxplot}{default}(x, \dots, range = 1.5, width = NULL, varwidth = FALSE,
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notch = FALSE, names, boxwex = 0.8, plot = TRUE,
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notch = FALSE, outline = TRUE, names, boxwex = 0.8, plot = TRUE,
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border = par("fg"), col = NULL, log = "", pars = NULL,
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border = par("fg"), col = NULL, log = "", pars = NULL,
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horizontal = FALSE, add = FALSE, at = NULL)
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horizontal = FALSE, add = FALSE, at = NULL)
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}
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}
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\arguments{
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\arguments{
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\item{x, \dots}{for specifying data from which the boxplots are to be
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\item{x, \dots}{for specifying data from which the boxplots are to be
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of observations in the groups.}
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of observations in the groups.}
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\item{notch}{if \code{notch} is \code{TRUE}, a notch is drawn in
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\item{notch}{if \code{notch} is \code{TRUE}, a notch is drawn in
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each side of the boxes. If the notches of two plots do not
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each side of the boxes. If the notches of two plots do not
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overlap then the medians are significantly different at the 5
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overlap then the medians are significantly different at the 5
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percent level.}
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percent level.}
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\item{outline}{if \code{outline} is not true, the boxplot lines are
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not drawn.}% the argument name is most ugly but S+ compatible
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\item{names}{group labels which will be printed under each boxplot.}
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\item{names}{group labels which will be printed under each boxplot.}
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\item{boxwex}{a scale factor to be applied to all boxes. When there
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\item{boxwex}{a scale factor to be applied to all boxes. When there
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are only a few groups, the appearance of the plot can be improved
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are only a few groups, the appearance of the plot can be improved
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by making the boxes narrower.}
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by making the boxes narrower.}
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\item{plot}{if \code{TRUE} (the default) then a boxplot is
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\item{plot}{if \code{TRUE} (the default) then a boxplot is
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\item{at}{numeric vector giving the locations where the boxplots should
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\item{at}{numeric vector giving the locations where the boxplots should
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be drawn, particularly when \code{add = TRUE};
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be drawn, particularly when \code{add = TRUE};
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defaults to \code{1:n} where \code{n} is the number of boxes.}
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defaults to \code{1:n} where \code{n} is the number of boxes.}
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}
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}
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\details{
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\details{
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This is a generic function. It currently has a default method
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The generic function \code{boxplot} currently has a default method
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(\code{boxplot.default}) and a formula interface
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(\code{boxplot.default}) and a formula interface
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(\code{\link{boxplot.formula}}).
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(\code{\link{boxplot.formula}}).
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}
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}
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\value{
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\value{
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List with the following components:
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List with the following components:
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The R Project SVN
R