Hi all,

I am making a heatmap using gplots. I have two problems; a solution to any
one will be greatly appreciated:

1. I have a file with genes and samples from two groups of patients. I don't
want to cluster samples; just the genes. The samples should stay in the same
order as in the datafile. Any way to do this?
2. Or, I can split the datafile into the two patient groups and make
heatmaps and present two pictures, but the ranges of values are different.
Therefore, I want to adjust the range on the color key to be the same in
both heatmaps. That is, instead of being 0 to 800 and 0 to 1500, both should
have 0 to 1500.

Please help!!

Many thanks,
-Davendra Sohal, MD, MPH
Research Fellow
Albert Einstein College of Medicine, Bronx, NY, USA.

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