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RE: [igraph] dendrogram: leaf names and vertice labels
From: |
Glazko, Galina V |
Subject: |
RE: [igraph] dendrogram: leaf names and vertice labels |
Date: |
Thu, 10 Mar 2011 13:27:20 -0600 |
Gabor,
Thank you, indeed!!!
Sorry about the stupid question.
Best regards
Galina
-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of Gábor Csárdi
Sent: Thursday, March 10, 2011 1:22 PM
To: Help for igraph users
Cc: Glazko, Galina V
Subject: Re: [igraph] dendrogram: leaf names and vertice labels
On Thu, Mar 10, 2011 at 9:46 AM, Glazko, Galina V <address@hidden> wrote:
> Dear all,
>
>
>
> Using Gabor's suggestion I constructed a dendrogram for fast-greedy:
>
>
>
> s.w<-fastgreedy.community(s)
>
> dend <- igraph:::as.dendrogram.igraph.walktrap(s.w)
>
>
>
> What I do not understand is what are the leaf names there, on dendrogram?
>
> How I can get dendrogram' leaf names to be vertice labels, i.e. V(s)$label?
Assign them as the 'labels' entry to the object returned by
fastgreedy.community():
s.w$labels <- V(s)$label
dend <- ...
>
> When the dendrogram is constructed e.g. using
>
> s.w<-walktrap.community(s)
>
> dend <- as.dendrogram(s.w, use.modularity=TRUE)
>
>
>
> leaf names already correspond to vertice names. But in the former case they
> probably correspond to merge IDs?
They are numeric vertex ids in the former case.
Best,
Gabor
>
>
> I would appreciate your hints.
>
> Thank you!
>
>
>
> Best regards
>
> Galina
>
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--
Gabor Csardi <address@hidden> UNIL DGM
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