Abstract #301783

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JSM 2002 Abstract #301783
Activity Number: 142
Type: Topic Contributed
Date/Time: Monday, August 12, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistical Graphics*
Abstract - #301783
Title: A Projection Pursuit Method on the Multidimensional Squared Contingency Table
Author(s): Dianne Cook*+ and Ju Sun Ahn and Heike Hofmann
Affiliation(s): Iowa State University and Kangnung National University and Iowa State University
Address: 325 Snedecor Hall, Ames, Iowa, 50011-1210,
Keywords: Projection pursuit ; contingency tables ; data mining
Abstract:

In this study a projection pursuit method is used to explore c^d contingency table data. The method operates on projection matrices constructed using affine geometry and creates projections using a Radon transform. The projection matrices and projections can be used to find "interesting" (non-uniform) structure, and to cluster and order the cases.

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