How Many Communities Are There ? ∗

  title={How Many Communities Are There ? ∗},
  author={Diego Franco Saldana and Yi Yu and Y. P. Feng},
Abstract Stochastic blockmodels and variants thereof are among the most widely used approaches to community detection for social networks and relational data. A stochastic blockmodel partitions the nodes of a network into disjoint sets, called communities. The approach is inherently related to clustering with mixture models; and raises a similar model selection problem for the number of communities. The Bayesian information criterion (BIC) is a popular solution, however, for stochastic… CONTINUE READING
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