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An extended study of the K-means algorithm for data clustering and its applications

Ja-Shen Chen (), Russell K H Ching and Yi-Shen Lin
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Ja-Shen Chen: Yuan-Ze University
Russell K H Ching: California State University
Yi-Shen Lin: Chinatrust Commercial Bank

Journal of the Operational Research Society, 2004, vol. 55, issue 9, 976-987

Abstract: Abstract The K-means algorithm has been a widely applied clustering technique, especially in the area of marketing research. In spite of its popularity and ability to deal with large volumes of data quickly and efficiently, K-means has its drawbacks, such as its inability to provide good solution quality and robustness. In this paper, an extended study of the K-means algorithm is carried out. We propose a new clustering algorithm that integrates the concepts of hierarchical approaches and the K-means algorithm to yield improved performance in terms of solution quality and robustness. This proposed algorithm and score function are introduced and thoroughly discussed. Comparison studies with the K-means algorithm and three popular K-means initialization methods using five well-known test data sets are also presented. Finally, a business application involving segmenting credit card users demonstrates the algorithm's capability.

Keywords: data clustering; heuristics; computational analysis; marketing research (search for similar items in EconPapers)
Date: 2004
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Citations: View citations in EconPapers (3)

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DOI: 10.1057/palgrave.jors.2601732

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