[R] setting color ranges
hadley wickham
h.wickham at gmail.com
Thu Feb 14 23:54:48 CET 2008
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 <sameet.sreenivasan at gmail.com> 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
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