RE: [igraph] weighted centralities

[Harun Pirim]

Hi All,

I want to find the most negative (weighted)  cycle in a graph. Can I do that
using igraph package in R.

Thanks, 

Harun Pirim

-----Original Message-----
From: address@hidden
[mailto:address@hidden On Behalf Of
Gábor Csárdi
Sent: Friday, May 21, 2010 9:21 AM
To: Help for igraph users
Subject: Re: [igraph] weighted centralities

Please save me some time and hand calculation and tell me what would
be the correct result for the weighted graph. Thanks,

Gabor

On Fri, May 21, 2010 at 4:06 PM, hamaina rachid <address@hidden> wrote:
> Thank you Gabor. This is a part of my calculation. this example is from a
pajek file, but the same happen with a "ncol" format.
>
>> G<-read.graph("graphtest.net", format="pajek")
>> G
> Vertices: 7
> Edges: 6
> Directed: FALSE
> Edges:
> [0] 0 -- 1
> [1] 0 -- 2
> [2] 0 -- 3
> [3] 4 -- 5
> [4] 4 -- 6
> [5] 0 -- 4
>> E(G)$weight
> [1] 10 15 95 32  5 25
>> betweenness(G)
> [1] 12  0  0  0  9  0  0
>> betweenness(G, weights=NA)
> [1] 12  0  0  0  9  0  0
>
>
>
>
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>
>
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-- 
Gabor Csardi <address@hidden>     UNIL DGM

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