Hi All:

I would like to display all the differentially expressed genes that I got
for 4 different treatments (respect to the control) onto a heatmap plot, in
such a way that they're ordered respect to their expression values. My
questions are:

1- Is there a way to make a heatmap for around 10000 genes (the "union" set
from all differentially expressed genes) without taking so long in
Bioconductor ('cause my computer is getting frozen).
2- How could I order the gene expression profiles from high to low
expression values. (I guess in this case I should take into account one of
the treatment). I'd like to get a beautiful heatmap from red to blue (for
example).

Looking forward to hearing from you soon!

Yours,
Avhena

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