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CRAXNet:基于XGBoost与神经网络的两阶段信用评级模型创新研究
本研究针对信用评级中非线性模式难以捕捉的挑战,提出了一种名为CRAXNet的新型两阶段混合模型。该模型通过XGBoost进行特征选择并生成类别概率,再输入神经网络进行非线性模式学习,在两项公开数据集上实现了最高4.74%的准确率和9.86% F1-Score的性能提升,为 ...
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