[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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