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. 2013 Apr 9;8(4):e60373. doi: 10.1371/journal.pone.0060373

Figure 3. Social opinion is formalized by comparing the social influences of the two opposite opinions.

Figure 3

For individual Inline graphic, Inline graphic is formalized as acceptance of vaccination with the probability Inline graphic or otherwise with the probability Inline graphic. In the Fermi function, Inline graphic denotes individuals responsiveness to the discrepancy Inline graphic.