Hi Sam, You might find it easier to use ggplot2 to do this. See http://had.co.nz/ggplot2/geom_tile.html for some examples.
Hadley On Thu, Feb 14, 2008 at 2:59 PM, samsr <[EMAIL PROTECTED]> wrote: > > Hi, > > I need to plot a matrix using image() such that negative values are easily > distinguishable from posittive values, while also maintaining a gradation in > color with magnitude. How can I set ranges for colors in order to achieve > this. Thanks. > > Sam > -- > View this message in context: > http://www.nabble.com/setting-color-ranges-tp15489086p15489086.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- http://had.co.nz/ ______________________________________________ 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.