Another approach which I'm pleased with but was not suggested so far
is jitter + kde2d from MASS:
plot(jitter(x), jitter(y))
if (!exists("kde2d")) require(MASS)
kdesamp <- 20000 #depending on your RAM
forkde <- if (kdesamp < length(x)) sample(1:length(x), kdesamp,
replace=FALSE) else 1:length(x)
d <- kde2d(x[forkde], y[forkde])
contour(d, add=TRUE)
> -----Original Message-----
> From: [EMAIL PROTECTED]
> Subject: Re: [R] Scatterplot Showing All Points
>
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