[R] saving intermediate graphics

From: Charles Annis, P.E. <Charles.Annis_at_statisticalengineering.com>
Date: Thu 13 Jul 2006 - 04:46:17 EST


Greetings, R-friends:

I'm using R 2.3.1 on a DELL box with 2 gig, running WindowsXP Pro.

I am making what is admittedly a very busy plot composed of qq plots with superimposed density() plots. I need to show everything and the result is messy, but informative.

If I produce the basic qq plot, and then add incrementally to it, saving the graphic at each step, the sequence does make the entire exercise understandable. (Honest!)

I can do this easily by clicking on the plot and saving it to PowerPoint as a metafile.

I would like to automate the process. I know how to produce win.metafiles, but closing the file with dev.off() to produce the first graphic means that I can't add to that and produce the subsequent graphic and file.

Is there a way to do this without generating the entire plot from the beginning for each graphic?

Thanks

Charles Annis, P.E.

Charles.Annis@StatisticalEngineering.com phone: 561-352-9699
eFax:  614-455-3265
http://www.StatisticalEngineering.com
 



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