[R] hc2Newick is different than th hclust dendrogram

From: Jose Hleap Lozano <jshleap_at_Dal.Ca>
Date: Fri, 01 Apr 2011 17:47:55 -0300


Hi R helpers... I am having troubles because of the discrepancy between the dendrogram plotted from hclust and what is wrote in the hc2Newick file. I've got a matrix C:

> hc <- hclust(dist(C))
> plot(hc)

with the:

> write(hc2Newick(hc),file='test.newick')

both things draw completely different "trees"...

I have also tried with the raw distance matrix D and also the agnes function, but the same happens. The hclus and agnes dendrogram is logical, whereas the newick tree is not.

Thanks for any help!

-- 
Jose Sergio Hleap Lozano, M. Sc.
Ph. D. Student, Dalhousie University
Researcher, SQUALUS Foundation

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Received on Fri 01 Apr 2011 - 22:05:21 GMT

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