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Re: [igraph] bipartite.projection and weighted graphs


From: robinshields
Subject: Re: [igraph] bipartite.projection and weighted graphs
Date: Thu, 23 Jun 2011 15:22:24 +0000

Hi Guy - don't know about weights in igraph, but if you use tnet (built on igraph, I believe) it specifically supports this. Function reference here:

http://opsahl.co.uk/tnet/content/view/54/30/

Blog post describing the procedure here:

http://toreopsahl.com/2009/05/01/projecting-two-mode-networks-onto-weighted-one-mode-networks/

Once you have it as a weighted one-mode network, use other tnet functions for weighted centrality measures (betweenness, degree, closeness).

Hope that helps.

R

On , Guy Bourne <address@hidden> wrote:


> Hi,
>
>  
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> I'm looking to collapse large 2-mode networks into 1-mode networks to analyse centrality between nodes in one vertext set. To do this I was planning on using bipartite.projection, but I wasn't sure if the output of this could be a weighted graph. The data that I've used doesn't seem to produce repeated edges (presumably as the output is a simple graph) so I was wondering if there was an option for a weighted graph output?
>
>
>  
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> Thanks in advance for your time!
>
>  
>
> Kind regards,
>
>  
>
> Guy
>
>
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