Figure 5
From: Misery loves company: happiness and communication in the city
Network of calls between happy/unhappy areas in Milan. Nodes represent areas, and edges represent calls between these areas. Nodes labeled with + represent happy areas, while nodes labeled with − represent unhappy areas. Colors represent communities generated by the multi-level modularity optimization algorithm [32]. One can see that most communities are dominated (\({\geq}\frac{2}{3}\)) by a particular class (happy or unhappy).