Karin,

I like to use bagplots in these cases where there are a lot of cases and
scatter plots become one big smudge.

See
http://www.wiwi.uni-bielefeld.de/~wolf/software/R-wtools/bagplot/bagplot.pdf

And some further examples on slides 36 - 39 of
http://www.porzak.com/JimArchive/JimPorzak_CIwithR_useR2006_tutorial.pdf

-- 
HTH,
Jim Porzak
Responsys, Inc.
San Francisco, CA
http://www.linkedin.com/in/jimporzak

On 10/1/07, Karin Lagesen <karin.lagesen@medisin.uio.no> wrote:
>
>
>
> I have two vectors x and y, which I would like to plot against each
> other. I am also displaying other data in this plot. However, I have
> about 1 million points to plot, and just plotting them x againt y is
> not very informative. What I'd like to do is to do sort of a
> continuous box plot.
>
> My x values goes from -1 to 1 and my y values from 0 to 1, so I´d like
> to plot the median and quantiles, and possibly also all of the
> outliers somehow. Are there any facilities in R for doing something
> like this, or would I need to do this the hard coded way?
>
> Thankyou very much for your help!
>
> Karin
> --
> Karin Lagesen, PhD student
> karin.lagesen@medisin.uio.no
> http://folk.uio.no/karinlag
>
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