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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Persistent link: https://EconPapers.repec.org/RePEc:pal:jorsoc:v:55:y:2004:i:9:d:10.1057_palgrave.jors.2601732
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DOI: 10.1057/palgrave.jors.2601732
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