[R] about col in heatmap.2

[jim holtman]

If you are just going to have 3 values for coloring, then you could
just convert your data into 1, 2, 3:

new.data <- ifelse(old.data > 2, 3, ifelse(old.data < 2, 1, 2))
dim(new.data) <- dim(old.data)

and then plot it.

On Nov 30, 2007 5:09 PM, affy snp <affysnp at gmail.com> wrote:
> Hi list,
> My data set is comprised of 47 columns and about 700 rows.
> Most of the values would be around 2, while some will go beyond
> in either direction, higher or lower. Is there a way to specify the
> parameter of col or others if necessary to have the range of representing
> colors be 0----8, and make dark for 2, red for higher than 2 and green
> for lower than 2. Is there a way to do this? Thanks a lot for your
> suggestions.
>
> All the best,
>      Allen
>
>        [[alternative HTML version deleted]]
>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?