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Re: [igraph] Leading Eigenvector Community
From: |
Gabor Csardi |
Subject: |
Re: [igraph] Leading Eigenvector Community |
Date: |
Wed, 23 Apr 2008 20:51:18 +0200 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
On Wed, Apr 23, 2008 at 07:16:12PM +0200, Tamas Nepusz wrote:
> >My guess is because it's calculating matrix eigenvectors, there's an
> >upper limit for graph size?
> Theoretically there isn't any upper limit, but the eigenvector
> calculations may fail to converge if your network is large. You have
> to explicitly instruct the ARPACK solver to allow more iterations
> using the options argument of leading.eigenvector.community -- I'm not
> sure about the details, however, since I don't use the R interface.
> See the documentation for more details. I guess you'll have to modify
> the variable called igraph.arpack.default (more precisely its element
> called "maxiter").
Just supply the 'options' argument to leading.eigenvector.community,
eg.
leading.eigenvector.community(g, options=list(maxiter=1000))
G.
> --
> Tamas
>
>
>
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--
Csardi Gabor <address@hidden> UNIL DGM
[igraph] Documentation error, Gang Su, 2008/04/22
[igraph] Leading Eigenvector Community, Gang Su, 2008/04/23
[igraph] Generate graph with a priori community information, Gang Su, 2008/04/24