Cohesion is generally thought of as a group-level property, reflecting the
connectedness of the group network. However, it is convenient to also think of
dyadic-level cohesion, which reflects the strength or closeness of a pair of
nodes. In older network literature, dyadic cohesion referred to as "relational
cohesion" or as "social proximity".
Max flow / connectivity / indep
Valued ties / strength of tie
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