Effect of spatial resolution on cluster detection: a simulation study

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Effect of spatial resolution on cluster detection: a simulation study

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Title: Effect of spatial resolution on cluster detection: a simulation study
Author: Jeffery, Caroline; Ozonoff, Al; Manjourides, Justin Daniel; White, Laura Forsberg; Pagano, Marcello

Note: Order does not necessarily reflect citation order of authors.

Citation: Ozonoff, Al, Caroline Jeffery, Justin Manjourides, Laura Forsberg White, and Marcello Pagano. 2007. Effect of spatial resolution on cluster detection: a simulation study. International Journal of Health Geographics 6: 52.
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Abstract: Background: Aggregation of spatial data is intended to protect privacy, but some effects of aggregation on spatial methods have not yet been quantified. Methods: We generated 3,000 spatial data sets and evaluated power of detection at 12 different levels of aggregation using the spatial scan statistic implemented in SaTScan v6.0. Results: Power to detect clusters decreased from nearly 100% when using exact locations to roughly 40% at the coarsest level of spatial resolution. Conclusion: Aggregation has the potential for obfuscation.
Published Version: doi:10.1186/1476-072X-6-52
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2213641/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4891663

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