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. 2015 Sep 11;10(9):e0137248. doi: 10.1371/journal.pone.0137248

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© 2015 Lengyel et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 1 — Weighted degree distribution of town network, loops excluded. Weights are the total number of user-to-user links between two towns. Weighted degrees were binned into 10⁴ intervals for P(w) calculation; blue hollow circle symbols represent the bins; black plus symbols represent the mean of weighted degree by each unique value of P(w). The slope of the solid line is -1.4, which fits P(w) values with R² = 0.66.