[R] use different symbols for frequency in a plot

[Tamas K Papp]

On Mon, Aug 08, 2005 at 03:17:44PM -0400, Chuck Cleland wrote:
> You might consider one of these approaches instead:
> 
> plot(jitter(x), jitter(y))
> 
> or
> 
> pdf(file="c:/AlphaExample.pdf", version = "1.4")
> 
> plot(x, y, col = rgb(1, 0, 0, .2), pch = 16)
> 
> dev.off()

sunflowerplot() is also useful for this (although it won't be as elegant as
the pdf with alpha on screen, it looks better on paper).

Tamas