Re: [Rd] Problems with plot and Quartz device / What is alpha?

2009-06-03 Thread Thomas Richardson
PS Please forgive my ignorance, but when you say: BTW: you may want to use something like pch=19, cex=0.1 (and maybe add some alpha to get a quick density estimation). I don't know what alpha refers to here. Thanks again. Best wishes, Thomas Cheers, S So I guess it might be related t

Re: [Rd] Problems with plot and Quartz device (PR#13744)

2009-06-03 Thread Thomas Richardson
mage plots and this may somehow interact with pch='.' since Quartz has no way of knowing that those rectangles are supposed to be glyphs), but I cannot reproduce it. Thanks, Simon On Jun 3, 2009, at 4:45 , t...@stat.washington.edu wrote: Full_Name: Thomas Richardson Version: R 2.9.