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Welcome to the technical sessions schedule for the 2015 Annual Fall NEARC Conference. 

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Tuesday, November 10 • 1:30pm - 2:00pm
Public Health GIS Cluster Analysis Methods

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Barbara Carroll, VT Department of Health; Pete Young, VT Department of Health; Emma Gause, VT Department of Health; Moshe Braner, VT Department of Health

One of the fundamental goals of spatial analysis is to determine whether an event takes place at differential rates in different locations. Cluster analysis, or “Hot Spot” detection, takes this analysis one step further by identifying areas of statistically significant clusters of either high or low rates. The key phrase here is statistically significant. The importance of finding such significant high or low rates cannot be overlooked, and thus GIS users at the Vermont Department of Health are implementing this strategy of analysis to identify areas of Vermont with particularly heavy health burdens. However, there are numerous different methods for evaluating clusters, and thus the statistical significance of the various outputs can be controversial. To illustrate the pros and cons, necessary data preparation, and potential pitfalls of conducting this type of analysis, the presenters will explore two common hot spot analysis methods: ArcMap’s False Discovery Rate (FDR) Optimized Hotspot Analysis & SaTScan’s Cluster Analysis. Case studies will be presented concerning health outcomes and incidence rates. However, cluster analysis is applicable for a variety of spatial data domains.

Speakers
MB

Moshe Braner

VT Department of Health
BC

Barbara Carroll

Vermont Department of Health
EG

Emma Gause

VT Department of Health
PY

Pete Young

VT Department of Health



Tuesday November 10, 2015 1:30pm - 2:00pm
Green Mountain C

Attendees (9)