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• W4313466849 abstract "Abstract In recent years, deep reinforcement learning (DRL) models have been successfully utilised to solve various classification problems. However, these models have never been applied to customer credit scoring in peer-to-peer (P2P) lending. Moreover, the imbalanced class distribution in experience replay, which may affect the performance of DRL models, has rarely been considered. Therefore, this article proposes a novel DRL model, namely a deep Q-network based on a balanced stratified prioritized experience replay (DQN-BSPER) model, for customer credit scoring in P2P lending. Firstly, customer credit scoring is formulated as a discrete-time finite-Markov decision process. Subsequently, a balanced stratified prioritized experience replay technology is presented to optimize the loss function of the deep Q-network model. This technology can not only balance the numbers of minority and majority experience samples in the mini-batch by using stratified sampling technology but also select more important experience samples for replay based on the priority principle. To verify the model performance, four evaluation measures are introduced for the empirical analysis of two real-world customer credit scoring datasets in P2P lending. The experimental results show that the DQN-BSPER model can outperform four benchmark DRL models and seven traditional benchmark classification models. In addition, the DQN-BSPER model with a discount factor γ of 0.1 has excellent credit scoring performance." @default.
• W4313466849 created "2023-01-06" @default.
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• W4313466849 date "2023-01-03" @default.
• W4313466849 modified "2023-09-25" @default.
• W4313466849 title "Deep Reinforcement Learning Based on Balanced Stratified Prioritized Experience Replay for Customer Credit Scoring in Peer-to-Peer Lending" @default.
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• W4313466849 doi "https://doi.org/10.21203/rs.3.rs-2422835/v1" @default.
• W4313466849 hasPublicationYear "2023" @default.
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