In social network analysis, the term network cohesion refers to a measure of the connectedness and togetherness among actors within a network. A social network can be defined as a network formed by a set of interacting social entities (actors) and the linkages (relations or edges) among them. The index of network cohesion is a single value that captures the togetherness of the group. Network cohesion can be measured in a variety of different ways, most of which are based on the dyadic cohesion. Dyadic cohesion refers to the closeness between a pair of actors. It should be differentiated from the closeness centrality, which measures how close an actor is to all other actors within a network. However, from the angle of cohesion, closeness centrality ...
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