|Appears in Collections:||Computing Science and Mathematics Journal Articles|
|Peer Review Status:||Refereed|
|Title:||Comparing Oversampling Techniques to Handle the Class Imbalance Problem: A Customer Churn Prediction Case Study|
Hawalah, Ahmad Y A
|Citation:||Amin A, Anwar S, Adnan A, Nawaz M, Howard N, Qadir J, Hawalah AYA & Hussain A (2016) Comparing Oversampling Techniques to Handle the Class Imbalance Problem: A Customer Churn Prediction Case Study, IEEE Access, 4, pp. 7940-7957.|
|Abstract:||Customer retention is a major issue for various service-based organizations particularly telecom industry, wherein predictive models for observing the behavior of customers are one of the great instruments in customer retention process and inferring the future behavior of the customers. However, the performances of predictive models are greatly affected when the real-world data set is highly imbalanced. A data set is called imbalanced if the samples size from one class is very much smaller or larger than the other classes. The most commonly used technique is over/under sampling for handling the class-imbalance problem (CIP) in various domains. In this paper, we survey six well-known sampling techniques and compare the performances of these key techniques, i.e., mega-trend diffusion function (MTDF), synthetic minority oversampling technique, adaptive synthetic sampling approach, couples top-N reverse k-nearest neighbor, majority weighted minority oversampling technique, and immune centroids oversampling technique. Moreover, this paper also reveals the evaluation of four rules-generation algorithms (the learning from example module, version 2 (LEM2), covering, exhaustive, and genetic algorithms) using publicly available data sets. The empirical results demonstrate that the overall predictive performance of MTDF and rules-generation based on genetic algorithms performed the best as compared with the rest of the evaluated oversampling methods and rule-generation algorithms.|
|Rights:||Copyright 2016 IEEE. IEEE's Open Access Publishing Agreement allows: OA authors are assured that they are free to post the final, published version of their articles on their personal websites, their employers' sites, or their funding agency's sites. The OAPA allows users to copy the work, as well as to translate it or to reuse it for text/data mining, as long as the usage is for non-commercial purposes. IEEE authors who want to submit their manuscripts under an OA license are encouraged to use the IEEE OAPA. Available at: http://www.ieee.org/publications_standards/publications/rights/oa_author_choices.html|
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