Analyzing The Role Of Dimension Arrangement For Data Visualization in Radviz

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Provided by: Telefnica O2 Germany GmbH & Co. OHG
Topic: Data Management
Format: PDF
The Radial Coordinate Visualization (Radviz) technique has been widely used to effectively evaluate the existence of patterns in highly dimensional data sets. A crucial aspect of this technique lies in the arrangement of the dimensions, which determines the quality of the posterior visualization. Dimension Arrangement (DA) has been shown to be an NP-problem and different heuristics have been proposed to solve it using optimization techniques. However, very little work has focused on understanding the relation between the arrangement of the dimensions and the quality of the visualization. In this paper, the authors first present two variations of the DA problem: a Radviz independent approach and a Radviz dependent approach.
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