Use the col= argument to the heatmap() function to specify the three
colors you want. For example:
x <- matrix(rnorm(50), ncol=5)
heatmap(x, col=1:3)
Jean
furor <furor1...@gmail.com> wrote on 11/14/2012 03:31:42 AM:
>
> Hi all,
>
> I've made a heatmap using '-', '=' and '+' as possible values. However,
the
> heatmap itself shows more than three colors. How to avoid this?
>
> Thanks in advance.
>
> regards
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