On 26 February 2010 11:12, Lorenzo Isella <lorenzo.ise...@gmail.com> wrote:
> Thanks Augustine and Jim for the prompt reply. > You both answered my question. To avoid another post, I would simply like to > know if something along these lines is doable also with ggplot2. > Many thanks > > Lorenzo > Augustine??? Anyhow, with ggplot2, m <- matrix(rnorm(200) > 0, ncol=20) require(ggplot2) d <- melt(m) qplot(X1, X2, data=d, fill=value, geom="tile") + scale_fill_manual(values=c("white", "black")) HTH, baptiste ______________________________________________ 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.