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% File src/library/graphics/man/boxplot.Rd
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% File src/library/graphics/man/boxplot.Rd
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% Part of the R package, https://www.R-project.org
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% Part of the R package, https://www.R-project.org
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% Copyright 1995-2014 R Core Team
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% Copyright 1995-2016 R Core Team
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% Distributed under GPL 2 or later
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% Distributed under GPL 2 or later
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\name{boxplot}
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\name{boxplot}
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\alias{boxplot}
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\alias{boxplot}
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\alias{boxplot.default}
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\alias{boxplot.default}
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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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boxplot(x, \dots)
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boxplot(x, \dots)
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\method{boxplot}{formula}(formula, data = NULL, \dots, subset, na.action = NULL)
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\method{boxplot}{formula}(formula, data = NULL, \dots, subset, na.action = NULL,
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drop = FALSE, sep = ".", lex.order = FALSE)
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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, outline = TRUE, names, plot = TRUE,
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notch = FALSE, outline = TRUE, names, plot = TRUE,
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border = par("fg"), col = NULL, log = "",
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border = par("fg"), col = NULL, log = "",
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pars = list(boxwex = 0.8, staplewex = 0.5, outwex = 0.5),
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pars = list(boxwex = 0.8, staplewex = 0.5, outwex = 0.5),
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\item{subset}{an optional vector specifying a subset of observations
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\item{subset}{an optional vector specifying a subset of observations
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to be used for plotting.}
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to be used for plotting.}
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\item{na.action}{a function which indicates what should happen
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\item{na.action}{a function which indicates what should happen
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when the data contain \code{NA}s. The default is to ignore missing
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when the data contain \code{NA}s. The default is to ignore missing
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values in either the response or the group.}
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values in either the response or the group.}
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\item{drop, sep, lex.order}{passed to \code{\link{split.default}}, see there.}
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\item{x}{for specifying data from which the boxplots are to be
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\item{x}{for specifying data from which the boxplots are to be
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produced. Either a numeric vector, or a single list containing such
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produced. Either a numeric vector, or a single list containing such
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vectors. Additional unnamed arguments specify further data
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vectors. Additional unnamed arguments specify further data
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as separate vectors (each corresponding to a component boxplot).
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as separate vectors (each corresponding to a component boxplot).
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\code{\link{NA}}s are allowed in the data.}
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\code{\link{NA}}s are allowed in the data.}
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boxwex = 0.25, at = 1:3 + 0.2,
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boxwex = 0.25, at = 1:3 + 0.2,
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subset = supp == "OJ", col = "orange")
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subset = supp == "OJ", col = "orange")
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legend(2, 9, c("Ascorbic acid", "Orange juice"),
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legend(2, 9, c("Ascorbic acid", "Orange juice"),
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fill = c("yellow", "orange"))
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fill = c("yellow", "orange"))
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## With less effort (slightly different) using factor *interaction*:
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boxplot(len ~ dose:supp, data = ToothGrowth,
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boxwex = 0.5, col = c("orange", "yellow"),
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main = "Guinea Pigs' Tooth Growth",
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xlab = "Vitamin C dose mg", ylab = "tooth length",
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sep = ":", lex.order = TRUE, ylim = c(0, 35), yaxs = "i")
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## more examples in help(bxp)
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## more examples in help(bxp)
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}
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}
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\keyword{hplot}
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\keyword{hplot}
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