| boxplot.matrix | R Documentation |
Interpreting the columns (or rows) of a matrix as different groups, draw a boxplot for each.
## S3 method for class 'matrix' boxplot(x, use.cols = TRUE, ...)
x |
a numeric matrix. |
use.cols |
logical indicating if columns (by default) or rows
( |
... |
Further arguments to |
A list as for boxplot.
Martin Maechler, 1995, for S+, then R package sfsmisc.
boxplot.default which already works nowadays with
data.frames; boxplot.formula, plot.factor which
work with (the more general concept) of a grouping factor.
## Very similar to the example in ?boxplot
mat <- cbind(Uni05 = (1:100)/21, Norm = rnorm(100),
T5 = rt(100, df = 5), Gam2 = rgamma(100, shape = 2))
boxplot(mat, main = "boxplot.matrix(...., main = ...)",
notch = TRUE, col = 1:4)
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