chapter  8
Statistical Tests for Clustering and Surveillance
ByPeter A. Rogerson, Geoffrey Jacquez
Pages 18

A common question that arises in spatial epidemiology is whether a mapped disease pattern exhibits any significant deviation from a pattern of uniform disease risk throughout the study area. When temporal data such as onset of disease is available in addition to data

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on geographic location, additional questions may be asked. Has the spatial pattern changed over time? How might we detect an emergent cluster of cases as quickly as possible?