a<-matrix(rnorm(36,1,3),6,6) ifelse(a<(-1),1,ifelse(a<=1&a>=-1,2,3)) heatmap.2(a, col=rev(redgreen(3)))
HTH -----Original Message----- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Daren Tan Sent: January 6, 2009 11:53 PM To: r-help@r-project.org Subject: [R] heatmap.2 and three colours for specific rangesþ Hi, I hope to show a heatmap with thre colours, no gradation. How to specify heatmap.2 to map "green" for values less than -1, "gray" for values between -1 and 1, and "red" for values greater than 1 ? Thanks [[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. ______________________________________________ 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.