Calculating edge betweenness centrality, formula or method used by Cytoscape

[samar....@gmail.com]

Hello,

Can you kindly explain how the edge betweenness centrality is calculated in Cytoscape? I searched the manual but I couldn't find the relevant information. I am familiar with shortest path betweenness centrality for nodes and was expecting a similar method for edges. However, when I use the network analyzer to calculate them, some of the edges in my network have edge betweenness above 2000, whereas the relevant node betweenness is still between 0 and 1 as it should be. I am using directed edges in the network analyzer, does that also have an effect?

Regards,
Sam

[Barry Demchak]

Hi, Samar -

Indeed, directed edges often lead to interesting calculations.

I'm not sure exactly how to answer your question. Best to let you see for yourself so you can most quickly get to the perspective you need.

The Network Analyzer source is available here: https://github.com/cytoscape/network-analyzer

Please feel free to look, and then post back in case anyone else has the same question.

Thanks!

[Giovanni Scardoni]

Hi!

Maybe you can try also the centiscape app, to check if the result is the same

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