You could use pch='.' (assuming pairs, don't know if you used that or splom or something else).
For lots of points you may want to look at the hexbin package (bioconductor). -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: Nevil Amos [mailto:nevil.a...@gmail.com] > Sent: Thursday, April 29, 2010 5:37 PM > To: Greg Snow > Cc: r-help@r-project.org > Subject: Re: [R] reduce size of pdf > > The file is a large number of scatterplot matrices (120pp of 4x4 > matrix) the individual plots may have up to several hudred points. > > I am already using the "useDingbats" but the files are still very > large > - I can reduce them about 50% in cute.pdf by changing the dpi setting > but it would be good to handle directly in R > > They need to be screen/ draft print quality only not for publication. > > They are being used to ciruclate to a number of people for discussion > > > > > On 30/04/2010 2:20 AM, Greg Snow wrote: > > It would help if we knew how big your pdf is and why it is big. Can > you show an example or at least describe the process used to generate > the file and what you goals are in creating/displaying the file? > > > > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.