Re: [igraph] Negative eigenvalue centrality

[Tamas Nepusz]

Hi Mike,

Can you send me an example graph for which you encounter negative eigenvector 
centralities?

Thanks,
Tamas

On 2010.05.03., at 1:18, Michael Ewens wrote:

> I have encountered this bug:
> 
> http://lists.gnu.org/archive/html/igraph-help/2009-11/msg00045.html
> 
> where the output of evcent(g)$vector is in [-1,1].  When I run a similar 
> centrality measure like authority.score(g)$vector, the results are all 
> non-negative.  I tried the suggestion in the above thread to no avail: I 
> still get values in -1 to 1.  Any other suggestions?
> 
> Mike
> 
> 
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