Can you colour dendrogram branch clusters in pheatmap?
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trichorico ▴ 10
@9b83e781
Last seen 6 weeks ago

Is there a function in pheatmap or some complementary package where you can color the branches of the dendrogram used to cluster the rows?

R heatmaps pheatmap • 91 views
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@kevin
Last seen 28 minutes ago
Ireland, Republic of

Hi, you should be able to do this by first creating the dendrogram and hclust object via CRAN's dendextend package, and then supplying these hclust objects to pheatmap via cluster_rows and cluster_cols.

One function to colour the dendrogram in dendextend is color_branches()

There is an example with gplots::heatmap.2() in the vignette: https://cran.r-project.org/web/packages/dendextend/vignettes/Cluster_Analysis.html

Kevin

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