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Re: [igraph] Newman's clustering failing [Python]
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From: |
Gábor Csárdi |
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Subject: |
Re: [igraph] Newman's clustering failing [Python] |
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Date: |
Thu, 17 Jul 2014 12:48:57 -0400 |
YEs, a bunch of people get issues with ARPACK, just search for ARPACK
in the issue tracker.
Gabor
On Thu, Jul 17, 2014 at 12:46 PM, Pagliari, Roberto
<address@hidden> wrote:
> I’m testing the leading eigenvector method for community detection.
>
>
>
> · I tested it with a bipartite weighted graph.
>
> · Weights are all real numbers in (0, 1]
>
> · I created the graph without using the specific function for
> creating bipartite graphs.
>
> · The number of nodes and edges is fairly small (order of 100) so I
> don’t think that should be an issue.
>
>
>
> I am getting this error, due to arpack not converging. Did anyone else see
> this issue?
>
>
>
> /usr/lib/python2.6/site-packages/python_igraph-0.7-py2.6-linux-x86_64.egg/igraph/__init__.py:1047:
> RuntimeWarning: ARPACK solver failed to converge (3001 iterations, 0/1
> eigenvectors converged) at arpack.c:776
>
> membership, _, q = GraphBase.community_leading_eigenvector(self, clusters,
> **kwds)
>
>
>
> Thank you,
>
>
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