Spatial Scan Statistic: Selecting clusters and generating elliptic clusters

Lasse Engbo Christiansen; Jens Strodl Andersen

Spatial Scan Statistic: Selecting clusters and generating elliptic clusters

Lasse Engbo Christiansen, Jens Strodl Andersen

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Abstract

The spatial scan statistic is widely used to search for clusters. This paper shows that the usually applied elimination of overlapping clusters to find secondary clusters is sensitive to smooth changes in the shape of the clusters. We present an algorithm for generation of set of confocal elliptic clusters. In addition, we propose a new way to present the information in a given set of clusters based on the significance of the clusters.

Original language	English
Title of host publication	GisVet 2004
Publication date	2004
Publication status	Published - 2004
Event	GisVet 2004 - Duration: 1 Jan 2004 → …

Conference

Conference	GisVet 2004
Period	01/01/2004 → …

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http://gisvet.org/Documents/GisVet04/RegularPapers/Christiansen.pdf

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title = "Spatial Scan Statistic: Selecting clusters and generating elliptic clusters",

abstract = "The spatial scan statistic is widely used to search for clusters. This paper shows that the usually applied elimination of overlapping clusters to find secondary clusters is sensitive to smooth changes in the shape of the clusters. We present an algorithm for generation of set of confocal elliptic clusters. In addition, we propose a new way to present the information in a given set of clusters based on the significance of the clusters.",

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AU - Andersen, Jens Strodl

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AB - The spatial scan statistic is widely used to search for clusters. This paper shows that the usually applied elimination of overlapping clusters to find secondary clusters is sensitive to smooth changes in the shape of the clusters. We present an algorithm for generation of set of confocal elliptic clusters. In addition, we propose a new way to present the information in a given set of clusters based on the significance of the clusters.

KW - spatial scan statistic; ellipses

M3 - Article in proceedings

BT - GisVet 2004

T2 - GisVet 2004

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