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Vertex clustering in diverse dynamic networks

Fig 1

Cluster center selection process at time t.

At time t, the current cluster center is chosen based on the previous γ cluster centers , 1 ≤ q ≤ γ. The drift time window γ determines for how many previous time steps centers must be within maximum drift λ of one another. The objective in Expression 2 is evaluated for all potential cluster centers; the center that minimizes the objective is chosen.

doi: https://doi.org/10.1371/journal.pcsy.0000023.g001