R help - Feb 2006 - Heat Map

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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