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

Wolfgang Huber w.huber at dkfz-heidelberg.de
Wed Jul 14 15:40:18 CEST 2004

Hi Caimiao

yet two more options:

- use "png" or "jpeg" as an output device. For these the output file 
size is limited by the number of pixels in the image.

- use Jelle Goeman's and Paul Eilers' fast scatterplot smoother

Best wishes

James Wettenhall wrote:
> On Mon, 12 Jul 2004, Caimiao Wei wrote:
>>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.

Wolfgang Huber
Division of Molecular Genome Analysis
German Cancer Research Center
Heidelberg, Germany
Phone: +49 6221 424709
Fax:   +49 6221 42524709
Http:  www.dkfz.de/abt0840/whuber

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