Hierarchical communities in the walnut structure of the Japanese production network
Fig 9
(color online) The complementary cumulative distribution function D(s) of a community with size s at the second modular level.
A power-law fit to the data (red line) using the maximum likelihood estimation technique yields D(s) ∼ s−γ+1 with γ = 2.50 ± 0.02, smin = 28.2 ± 7.6, and p value = 0.976.