Optimal threshold analysis of segmentation methods for identifying target customers

Makoto Mizuno, Akira Saji, Ushio Sumita, Hideo Suzuki

研究成果: Article査読

15 被引用数 (Scopus)

抄録

In CRM (Customer Relationship Management), the importance of a segmentation method for identifying good customers has been increasing. For evaluation of different segmentation methods, Accuracy often plays a key role. This indicator, however, cannot distinguish two types of errors. The purpose of this paper is to overcome this pitfall by introducing two different indicators: Recall and Precision. Assuming that a promotion is addressed exclusively to the selected target customers, the financial effectiveness of the underlying segmentation method is expressed as a function of Recall and Precision. An optimization problem is then formulated so as to maximize the financial measure by finding the optimal threshold level in terms of the severeness for estimating the target set. By introducing a functional form which represents correctness and mistakes about the target set, the unique optimal solution is derived explicitly. The proposed approach is validated by using real customer purchase data.

本文言語English
ページ(範囲)358-379
ページ数22
ジャーナルEuropean Journal of Operational Research
186
1
DOI
出版ステータスPublished - 2008 4 1

ASJC Scopus subject areas

  • Computer Science(all)
  • Modelling and Simulation
  • Management Science and Operations Research
  • Information Systems and Management

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