affy snp wrote:
> Dear list,
>
> I am using heatmap.2(x) to draw a heatmap. Ideally, I want to the matrix
> x clustered only by columns and keep the original order of rows unchanged.
> Is there a way to do that in heatmap.2()?
>
> Thanks a lot! Any suggestions will be appreciated!
From the help page:
Arguments:
x: numeric matrix of the values to be plotted.
Rowv: determines if and how the _row_ dendrogram should be
reordered. By default, it is TRUE, which implies dendrogram
is computed and reordered based on row means. If NULL or
FALSE, then no dendrogram is computed and reordering is done.
If a 'dendrogram', then it is used "as-is", ie without any
reordering. If a vector of integers, then dendrogram is
computed and reordered based on the order of the vector.
>
> Best,
> Allen
>
> [[alternative HTML version deleted]]
>
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--
James W. MacDonald, M.S.
Biostatistician
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
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Ann Arbor MI 48109
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