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[igraph] Modularity on the igraph_community_spinglass()
From: |
Guilherme Ferraz de Arruda |
Subject: |
[igraph] Modularity on the igraph_community_spinglass() |
Date: |
Thu, 21 Mar 2013 14:31:44 -0300 |
Hi,
I have a doubt about the modularity function implemented on the igraph_community_spinglass() function for weighted graphs. It is normalized on the number of edges or the sum of edge weights?
I got some negative values, like -2, for some graphs.
Is it correct? On the unweighted case the modularity varys between -1 to 1. But on the weighted generalization I think that it is not true.
Thanks a lot!
Guilherme.
- [igraph] Modularity on the igraph_community_spinglass(),
Guilherme Ferraz de Arruda <=