If you are just going to have 3 values for coloring, then you could just convert your data into 1, 2, 3:
new.data <- ifelse(old.data > 2, 3, ifelse(old.data < 2, 1, 2)) dim(new.data) <- dim(old.data) and then plot it. On Nov 30, 2007 5:09 PM, affy snp <[EMAIL PROTECTED]> wrote: > Hi list, > My data set is comprised of 47 columns and about 700 rows. > Most of the values would be around 2, while some will go beyond > in either direction, higher or lower. Is there a way to specify the > parameter of col or others if necessary to have the range of representing > colors be 0----8, and make dark for 2, red for higher than 2 and green > for lower than 2. Is there a way to do this? Thanks a lot for your > suggestions. > > All the best, > Allen > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ 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.
