[BioC] Heatmap ( ) : Thank you Sean & Liu..
saurin_jani at yahoo.com
Tue Oct 19 22:20:31 CEST 2004
Sean and Liu.
--- Sean Davis <sdavis2 at mail.nih.gov> wrote:
> What a heatmap is going to show of course depends on
> what expression
> you give it. So, a heatmap will not have any
> general form. If you
> have two groups of samples and two groups of genes,
> there will be four
> blocks, etc., but having a "medium" group does not
> mean that the
> heatmap is wrong. What structure a heatmap has
> depends on what is
> being plotted in the heatmap, not the heatmap
> settings (for the most
> part--scaling in particular can drastically change
> the way a heatmap
> looks, but the structure remains).
> On Oct 19, 2004, at 10:15 AM, Saurin Jani wrote:
> > Hi,
> > I am getting very clear blocks of high and low and
> > medium expression of genes across the heatmap .
> > I am using :
> > heatmap(esetMatrix) and using all default values
> > them.
> > ------|
> > high | low
> > ------|-------|
> > low | high |
> > | (med) |
> > |-------|
> > Is something wrong I am doing here or heatmaps are
> > supposed to be
> > high low high or low high low
> > Could anyone explain to me..if possible...please!
> > thank you,
> > Saurin
> > _______________________________________________
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> > Bioconductor at stat.math.ethz.ch
> > https://stat.ethz.ch/mailman/listinfo/bioconductor
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