MATLAB Answers

Laplacian clustering on Network

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Light.16
Light.16 on 29 Nov 2016
Answered: Brendan Hamm on 29 Nov 2016
Hello guys !
First of all sorry for my english... I'm doing a project of Complex Network, in particular i'm building the Human Diseasome. My professor ask me to compute a clustering (i.e. Laplacian) on the obtained Network.
I really don't know how to start.. What should i do? What are the operation that i've to do ?
really thanks for your answer !!!
;)

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Answers (1)

Brendan Hamm
Brendan Hamm on 29 Nov 2016
Assuming that you are interested in performing a spectral clustering a good place to start would be here. I have attached a few files in which I implement one spectral clustering technique on some concentric circles as an example. The idea is to show how this works in a low dimensional space.
The Graph Laplacian can be calculated using the functionality of MATLAB graphs. This has a built in method, Laplacian which you might find useful. If the network is large you may need to implement another method.
Another resource I found helpful was A Tutorial on Spectral Clustering.
Best of luck.

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