[BioC] heatmap genenames

[Francois Pepin]

Hi everyone,

we've been looking at something similar to try to pick single a series
of genes from the heatmap.

Based on Michael's suggestion:

d <- dist(mydata)
hc <- hclust(d)
heatmap(mydata, RowV=as.dendrogram(hc))

genes<-identify(hc)

So you can select the branch(es) of interest on the dendogram and get
back the list of genes selected.

Francois

On Thu, 2004-11-04 at 09:06, Claire Wilson wrote:
> Dear all,
> 
> I have been using the heatmap function to visualise my data and would
> like to obtain a list of my genes in the same order that they appear in
> the heatmap. I have looked through the mail archives and tried just
> creating a dendogram and using order.dendogram but have so far been
> unsuccessful. Can anyone point me in the right direction?
> 
> cheers
> 
> claire
>  
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