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金工深度研究:九坤Kaggle量化大赛有哪些启示?-20230130-华泰证券

人工智能系列之 64:从九坤 Kaggle量化大赛高分方案中寻找借鉴 本文梳理 2022 年九坤 Kaggle 量化大赛高分队伍解决方案,提炼出特征工程、损失函数、交叉验证、模型集成四个主要方向,并应用于华泰人工智能中证 500 指数增强策略改进。结果表明:(1)特征工程引入均值因子对神经网络有效;(2)CCC 损失优于 MSE 损失和 IC 损失;(3)时序交叉验证作用不明显;(4) 集成神经网

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