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Re: [igraph] normalization of betweenness centrality

From: Tamas Nepusz
Subject: Re: [igraph] normalization of betweenness centrality
Date: Tue, 17 Nov 2009 13:15:25 +0000
User-agent: Mutt/1.5.20 (2009-06-14)

Hi Anupam,

>            The betweenness centrality value generated for a specific network
> is not normalized (i.e. it depends on network size) if one is using the
> "betweenness" function of igraph. My query is how does one normalize the
> betweenness values for all the nodes of a directed network.
According to [1], "normalized betweenness simply divides betweenness by
its maximum value", so simply find the maximum in the vector you get and
divide the whole vector by the maximum.

[1] http://www.analytictech.com/networks/centrali.htm


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