Google on "R Graph Gallery" to find examples with code.
You can also almost certainly RSiteSearch() on appropriate keys to
find a pre-existing function (which someone may provideyou on the
list).
Also:
?symbols
-- Bert
On Wed, Jan 12, 2011 at 11:19 AM, John Sorkin
<jsor...@grecc.umaryland.edu> wrote:
> I would like to plot 3-dimensional data on a two-dimensional scatter-plot.
> Is there a way I can automatically modify the plot symbol (e.g. changing size
> or color) to indicate the value of a third variable? E.g. How can I plot
> weight vs. age and indicate the value of muscle mass for each value
> weight-age pair by making the plot point proportional to the subject's muscle
> mass?
> Thanks,
> John
>
>
> John David Sorkin M.D., Ph.D.
> Chief, Biostatistics and Informatics
> University of Maryland School of Medicine Division of Gerontology
> Baltimore VA Medical Center
> 10 North Greene Street
> GRECC (BT/18/GR)
> Baltimore, MD 21201-1524
> (Phone) 410-605-7119
> (Fax) 410-605-7913 (Please call phone number above prior to faxing)
>
> Confidentiality Statement:
> This email message, including any attachments, is for th...{{dropped:6}}
>
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>
--
Bert Gunter
Genentech Nonclinical Biostatistics
467-7374
http://devo.gene.com/groups/devo/depts/ncb/home.shtml
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