| rug {graphics} | R Documentation |
Adds a rug representation (1-d plot) of the data to the plot.
rug(x, ticksize=0.03, side=1, lwd=0.5, col,
quiet = getOption("warn") < 0, ...)
x |
A numeric vector |
ticksize |
The length of the ticks making up the ‘rug’. Positive lengths give inwards ticks. |
side |
On which side of the plot box the rug will be plotted. Normally 1 (bottom) or 3 (top). |
lwd |
The line width of the ticks. |
col |
The colour the ticks are plotted in, default is par("fg"). |
quiet |
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.
Because of the way colours are done the axis itself is coloured the same as the ticks. You can always replot the box in black if you don't like this feature.
Chambers, J. M. and Hastie, T. J. (1992) Statistical Models in S. Wadsworth & Brooks/Cole.
jitter which you may want for ties in x.
require(stats)# both 'density' and its default method
with(faithful, {
plot(density(eruptions, bw=0.15))
rug(eruptions)
rug(jitter(eruptions, amount = .01), side = 3, col = "light blue")
})