Hello all,
I'm doing heatmap.2 graphics of matrix x with hclust clustering in the rows, as
an argument in heatmap.2 .
The problem is that the heatmap contains 1000 genes, and I want to cut it in
several pieces, but after the clustering.
If I use x[1:100,] as delimiting argument for the first 100 clustered
rows(genes) in the matrix, it doesn't work, it takes the 100 first rows in the
matrix and does the clustering over them, and not first the clustering over the
1000 genes and then graph the first 100 rows of the clustered matrix.
The entire argument of heatmap I'm using is something like this:
heatmap.2(x, scale="none", cexRow=0.00001, keysize=0.8, hclustfun = hclust,
sepcolor="none",Colv=FALSE, dendrogram="row",
trace=c("none"),density.info=c("none"))
If you can help me, will be great.
Thanks in advance,
juan
Juan Pablo Fededa
Institute of Biochemistry-ETH Zurich
HPM,D11.1
Schafmattstrasse 18
CH-8093, Zurich
Switzerland
+41 44 633 60 26 phone
+41 44 632 12 69 fax
jpfed...@bc.biol.ethz.ch
www.lmc.ethz.ch/IBC/
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