[R] Heat Map

From: Vasundhara Akkineni <vasu.akkineni_at_gmail.com>
Date: Sat 11 Feb 2006 - 01:43:39 EST


Hello all,

I am trying to cluster similar rows of a data matrix together using hierarchical clustering and display the results in the form of a heat map. In a Heat map, is it possible to get the order in which the rows will be clustered , starting with the first rows joined into a group and then followed by other groups added. I thought i could extract the order by using $rowInd, but looks like it's the order in which the rows are reordered in the map.

Also, is it possible to add a color key to the heatmap, similar to the one displayed in a level plot.

Thanks,

Vasu.
Research Graduate Student
Bioinformatics Research Group
UofL, KY

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