Add random noise to data based on graphics character size
The input data, for x or y axis data, is jittered by a uniform random amount, scaled to the width and height of a character if this data were being plotted.
jitterXY(x = c(0, 1), y = c(0, 1), xscale = 1, yscale = 1) jitterX(x, scale = 1) jitterY(y, scale = 1)
x |
Numeric data that might be plotted on the horizontal axis. |
y |
Numeric data that might be plotted on the vertical axis. |
xscale, yscale, scale |
How much to scale the random noise on the |
For jitterXY a list, with x and y components containing the perturbed versions of the corresponding arguments. Giving this list to plot produces a scatter plot of the two sets of data.
If only one coordinate is jittered a vector is returned; this is always the case with jitterX and jitterY.
jitter, which scales data without regard to the plotting parameters.
## Not run: with(sotu, plot(jitterXY(economy, war+peace))) ## End(Not run)
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