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Exploratory Hot Spot Profile Analysis Using Interactive Visual Drill-Down Self-Organizing Maps

Denny, Denny; Williams, Graham; Christen, Peter


Real-life datasets often contain small clusters of unusual sub-populations. These clusters, or 'hot spots', are usually sparse and of special interest to an analyst. We present a methodology for identifying hot spots and ranking attributes that distinguish them interactively, using visual drill-down Self-Organizing Maps. The methodology is particularly useful for understanding hot spots in high dimensional datasets. Our approach is demonstrated using a large real life taxation dataset.

CollectionsANU Research Publications
Date published: 2008
Type: Conference paper
Source: Advances in Knowledge Discovery and Data Mining 12th Pacific-Asia Conference on Knowledge Discovery and Data Mining Proceedings
DOI: 10.1007/978-3-540-68125-0_48


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