Adds a rug representation (1-d plot) of the data to the plot.
rug(x, ticksize = 0.03, side = 1, lwd = 0.5, col = par("fg"),
quiet = getOption("warn") < 0, …)A numeric vector
The length of the ticks making up the ‘rug’. Positive lengths give inwards ticks.
On which side of the plot box the rug will be plotted. Normally 1 (bottom) or 3 (top).
The line width of the ticks. Some devices will round the
default width up to 1.
The colour the ticks are plotted in.
logical indicating if there should be a warning about clipped values.
further arguments, passed to axis, such
as line or pos for specifying the location of the rug.
Because of the way rug is implemented, only values of x
that fall within the plot region are included. There will be a
warning if any finite values are omitted, but non-finite values are
omitted silently.
Chambers, J. M. and Hastie, T. J. (1992) Statistical Models in S. Wadsworth & Brooks/Cole.
jitter which you may want for ties in x.
# NOT RUN {
require(stats) # both 'density' and its default method
with(faithful, {
plot(density(eruptions, bw = 0.15))
rug(eruptions)
rug(jitter(eruptions, amount = 0.01), side = 3, col = "light blue")
})
# }
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