In addition to Uwe's suggestion of creating a pdf and then plotting to it, it is useful to set the gap size to 0 (gap=0)

You might also look at pairs.panels in the psych package which implements one of the examples in pairs (i.e., it gives histograms on the diagonal and reports the correlation above the diagonal).

Bill


At 11:30 AM -0600 6/30/11, Greg Snow wrote:
In addition to Uwe's answer, you might also want to consider the pairs2 function in the TeachingDemos package. It lets you plot sections of the overall scatterplot matrix rather than the whole thing, so you could spread the entire scatterplot matrix over multiple pages.




--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.s...@imail.org
801.408.8111


 -----Original Message-----
 From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
 project.org] On Behalf Of ahrager
 Sent: Wednesday, June 29, 2011 3:28 PM
 To: r-help@r-project.org
 Subject: [R] very large pair() plot

 Hi everyone,

 I'm a newbie and this is my first post.

 My boss wants me to make a series of scatter plots where 76 variables
 are
 plotted against each other.  I know how to do this using pair()...my
 problem
 is that there are just too many plots to fit in the window.

 Is there any way I can get all the plots to fit and make the font size
 and
 marker size scale so it is readable? My goal is to create a *.pdf file
 that
 I can send to our large plotter.

 Thank you,
 Audrey Rager



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