Abstract
In customer churn prediction, an important yet challenging problem is the class imbalance of data distribution. After analyzing the disadvantages of the commonly used “two-step” methods, this study combines multiple classifiers ensemble technique, self-organizing data mining with cost-sensitive learning, and proposes one-step classifier ensemble model for imbalance data (OCEMI). For each test customer, it can adaptively select out the more appropriate one from the two kinds of dynamic ensemble approach: dynamic classifier selection (DCS) and dynamic ensemble selection (DES). Meanwhile, new cost-sensitive selection criteria for DCS and DES are constructed respectively to improve the classification ability for imbalanced data. The empirical results show that this strategy can be used to predict customer churn more effectively.
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Acknowledgments
This research is partly supported by the Natural Science Foundation of China under Grant Nos. 71101100, 71273036 and 71211130018, New Teachers’ Fund for Doctor Stations, MOE (Ministry of Education) under Grant No. 20110181120047, Excellent Youth fund of Sichuan University under Grant No. 2013SCU04A08, China Postdoctoral Science Foundation under Grant Nos. 2011M500418 and 2012T50148, Frontier and Cross-innovation Foundation of Sichuan University under Grant No. skqy201352, Soft Science Foundation of Sichuan Province under Grant No. 2013ZR0016, Youth Project of Humanities and Social Sciences, MOE under Grant No. 13YJC630249, Scientific Research Starting Foundation for Young Teachers of Sichuan University under Grant No. 2012SCU11013.
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Xiao, J., Teng, G., He, C., Zhu, B. (2014). One-Step Classifier Ensemble Model for Customer Churn Prediction with Imbalanced Class. In: Xu, J., Cruz-Machado, V., Lev, B., Nickel, S. (eds) Proceedings of the Eighth International Conference on Management Science and Engineering Management. Advances in Intelligent Systems and Computing, vol 281. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-55122-2_72
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DOI: https://doi.org/10.1007/978-3-642-55122-2_72
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