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Article Dans Une Revue International Journal of Data Science and Analytics Année : 2022

A survey on machine learning methods for churn prediction

Louis Geiler
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Séverine Affeldt
Mohamed Nadif

Résumé

The diversity and specificities of today's businesses have leveraged a wide range of prediction techniques. In particular, churn prediction is a major economic concern for many companies. The purpose of this study is to draw general guidelines from a benchmark of supervised machine learning techniques in association with widely used data sampling approaches on publicly available datasets in the context of churn prediction. Choosing a priori the most appropriate sampling method as well as the most suitable classification model is not trivial, as it strongly depends on the data intrinsic characteristics. In this paper we study the behavior of eleven supervised and semi-supervised learning methods and seven sampling approaches on sixteen diverse and publicly available churn-like datasets. Our evaluations, reported in terms of the Area Under the Curve (AUC) metric, explore the influence of sampling approaches and data characteristics on the performance of the studied learning methods. Besides, we propose Nemenyi test and Correspondence Analysis as means of comparison and visualization of the association between classification algorithms, sampling methods and datasets. Most importantly, our experiments lead to a practical recommendation for a prediction pipeline based on an ensemble approach. Our proposal can be successfully applied to a wide range of churn-like datasets.
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Dates et versions

hal-03824873 , version 1 (21-10-2022)

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Louis Geiler, Séverine Affeldt, Mohamed Nadif. A survey on machine learning methods for churn prediction. International Journal of Data Science and Analytics, 2022, 14 (3), pp.217-242. ⟨10.1007/s41060-022-00312-5⟩. ⟨hal-03824873⟩
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