[BioC] how to reduce the file size of scatter plot matrix

[A.J. Rossini]

"Caimiao Wei" <caimiaow at u.washington.edu> writes:

> I am trying to get the scatter plot matrix (function "pairs") and MVA
> plot (function "mva.pairs") of multiple affy chips.  When I use
> postscript() or pdf() to save the graphs generated from 12 affy mouse
> chips using the "pairs" function, the size of the file is about 500
> MB. I would appreciate any suggestions that can effectively reduces
> the size of these plots.

Instead of scatterplots, you might try contour plots.  

best,
-tony

-- 
Anthony Rossini			    Research Associate Professor
rossini at u.washington.edu            http://www.analytics.washington.edu/ 
Biomedical and Health Informatics   University of Washington
Biostatistics, SCHARP/HVTN          Fred Hutchinson Cancer Research Center
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