January 2018
Beginner to intermediate
262 pages
6h 3m
English
Content preview from Complex Network Analysis in Python
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Outline Modularity-Based Communities
This section uses community.
The fuzziest and most flexible form of node organization in a complex network is network communities based on modularity. They are sometimes also called clusters or groups, and are not to be confused with clique communities (Recognize Clique Communities).
Let’s start with modularity first, and assume that the network has been already partitioned into non-overlapping communities (later you’ll figure out how). According to Newman’s definition [New06], modularity m is the fraction of the edges that fall within the given communities minus the expected fraction if edges were distributed at random, while conserving the nodes degrees. The value of m is in the range from -0.5 (inclusive) ...
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