Articlediamond2023

Novel Early-Warning Model for Customer Churn of Credit Card Based on GSAIBAS-CatBoost

5 citations0/0 files storedComputer Modeling in Engineering & Sciences

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Customer churn and segmentation Metaheuristic Optimization Algorithms Research Financial Distress and Bankruptcy Prediction

Abstract

As the banking industry gradually steps into the digital era of Bank 4.0, business competition is becoming increasingly fierce, and banks are also facing the problem of massive customer churn. To better maintain their customer resources, it is crucial for banks to accurately predict customers with a tendency to churn. Aiming at the typical binary classification problem like customer churn, this paper establishes an early-warning model for credit card customer churn. That is a dual search algorithm named GSAIBAS by incorporating Golden Sine Algorithm (GSA) and an Improved Beetle Antennae Search (IBAS) is proposed to optimize the parameters of the CatBoost algorithm, which forms the GSAIBAS-CatBoost model. Especially, considering that the BAS algorithm has simple parameters and is easy to fall into local optimum, the Sigmoid nonlinear convergence factor and the lane ight equation are introduced to adjust the fixed step size of beetle. Then this improved BAS algorithm with variable step size is fused with the GSA to form a GSAIBAS algorithm which can achieve dual optimization. Moreover, an empirical analysis is made according to the data set of credit card customers from Analyttica ocial platform. The empirical results show that the values of Area Under Curve (AUC) and recall of the proposed model in this paper reach 96.15% and 95.56%, respectively, which are significantly better than the other 9 common machine learning models. Compared with several existing optimization algorithms, GSAIBAS algorithm has higher precision in the parameter optimization for CatBoost. Combined with two other customer churn data sets on Kaggle data platform, it is further verified that the model proposed in this paper is also valid and feasible.

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References

2018A new hybrid classification algorithm for customer churn prediction based on logistic regression and decision trees 2011Credit card churn forecasting by logistic regression and decision tree 2022Energy demand forecasting in China: A support vector regression-compositional data second exponential smoothing model 2021A novel method for carbon emission forecasting based on Gompertz's law and fractional grey model: Evidence from American industrial sector 2011An empirical evaluation of rotation-based ensemble classifiers for customer churn prediction 2020Leveraging unstructured call log data for customer churn prediction 2017Profit maximizing logistic model for customer churn prediction using genetic algorithms 2020Assessing customer satisfaction of O2O takeaway based on online reviews by integrating fuzzy comprehensive evaluation with AHP and probabilistic linguistic term sets

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