you must see "Mining of Massive Datasets" chapter 10 in book and week 3 in Coursera online courses. in first link, see codes! it has many ways to solve this kind of problems, but in the "Mining Social-Network Graphs" such as newman-girvan etc.

I wish these help you.

enjoy

http://www.mmds.org/

https://coursera.org/

.

two recent approaches :

http://labs.genetics.ucla.edu/horvath/CoexpressionNetwork/BranchCutting/Supplement.pdf

with link to the R library

http://labs.genetics.ucla.edu/horvath/CoexpressionNetwork/BranchCutting/

and

https://www.rocq.inria.fr/axis/COMPSTAT2010/slides/slides_211.pdf

.

Hi,

Just take a look within Modularity in this paper: 

Article Newman MEJ.. Modularity and community structure in networks....

After I get dendrogram, I want to cut the dendrogram based on Inconsistency Coeficient...How can I do that