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. 2016 Apr 19;6:24676. doi: 10.1038/srep24676

Figure 2. Comparing the accuracy between three types of theoretical and numerical predictions of the epidemic threshold on 56 real-world networks.

Figure 2

(a) Theoretical predictions of Inline graphic (gray squares), Inline graphic (red circles) and Inline graphic (blue up triangles) versus numerical predictions λc of the epidemic threshold. (b) In all the entire sample of real-world networks, the fraction of Inline graphic [Inline graphic or Inline graphic] is the closest value to λc.