Question: R dendrogram by cluster
0
gravatar for oselm
2.5 years ago by
oselm30
oselm30 wrote:

Hi all,

I am using R to plot a dendrogram of a hierarchial clustering.

I have realised a hierarchical clustering of ~3000 elements. The plot of the corresponding tree is obviously super messy. These 3000 elements are clustered in 20 groups using the cutree function. What I want is to plot the tree by cluster (i.e. truncated at the nodes where each cluster originate labeled appropriately by cluster => a tree with 20 terminal leaves).

Thanks

O.

dendrogram R • 1.1k views
ADD COMMENTlink modified 22 months ago by Biostar ♦♦ 20 • written 2.5 years ago by oselm30
1
gravatar for Jake Warner
2.5 years ago by
Jake Warner750
Jake Warner750 wrote:

collapse_branch() in the package dendextend should do what you're looking for. https://cran.r-project.org/web/packages/dendextend/vignettes/introduction.html

ADD COMMENTlink written 2.5 years ago by Jake Warner750

Also take a look at the part about using dynamicTreeCut() and removing the labels, while printing a color bar. That might look nicer than cutting off all of the leaves.

ADD REPLYlink written 2.5 years ago by Jake Warner750
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