Using the heatmap.2 function, I am trying to generate a heatmap of a
2 column x 500 row matrix of numeric values. I would like the 1st
column of the matrix sorted from the highest to the lowest values -
so that the colors reflected in the first column of the heatmap (top
to bottom) go from red to green.
After sorting the matrix (z), I tried the following command, but the
data remains clustered.
heatmap.2((z),col=greenred(100),dendrogram=NULL,Rowv=FALSE)
I also tried the following, but the data remained clustered.
heatmap.2((z),col=greenred(100),Colv=1:ncol(z))
ANY IDEAS??
Thanks so much,
Peter
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