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. 2015 Dec 1;3(4):230–237. doi: 10.1089/big.2015.0019

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© Helena M.M. Patching et al. 2016; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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FIG. 2. — The distribution of the disease data when distance from disease extent was plotted against the probability of occurrence. Positive “distance from disease extent” values fall outside the extent boundary (in areas where the disease is currently considered absent) and negative values within. The plot in (A) shows the distribution of values for dengue. The plot in (B) shows the same distribution for cholera.