Message-ID: <19739.6731.194681.914724@cmath-6.math.ethz.ch>
Date: 2010-12-29T11:23:55Z
From: Martin Maechler
Subject: Any functions to manipulate (merge, cut, remove) hclust objects? (maybe through phylo?)
In-Reply-To: <AANLkTinXC3KhAMMpZ2STJt5zcQ1nFiStHRiG0rHfkkyw@mail.gmail.com>
>>>>> "TG" == Tal Galili <tal.galili at gmail.com>
>>>>> on Mon, 27 Dec 2010 23:34:33 +0200 writes:
TG> Hello all, I'm now working with hclust objects and was
TG> hoping to perform some basic editing on them like:
TG> - Joining = the merging of two hclust objects (so
TG> they will share one root) - Splicing = So to cut/extract
TG> a branch out of an hclust object - that by itself will
TG> be an hclust object.
TG> I noticed I could extract one element of an hclust
TG> object by turning it into a dendrogram, but that doesn't
TG> enable me to turn it back into an hclust object.
Why should you "turn it back" ?
What do you want to use them for
The intent of the "dendrogram" has been that it is more flexible
(and more general) than "hclust" and can be printed, plotted,
manipulated, ... better than hclust ones.
Regards,
Martin Maechler, ETH Zurich
TG> Are there any functions that can aid with this? Maybe
TG> through the ape package and the phylo objects?
TG> Thanks, Tal