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English(EN) $L_0$ Feature Selection via Monte Carlo Tree Search in High-Dimensional Financial Regression

蒙特卡洛树搜索提升金融回归特征选择性能

研究人员开发了一种新颖的特征选择框架,该框架使用具有广义嵌套滚筒策略适应(GNRPA)的蒙特卡洛树搜索(MCTS)来处理高维金融回归问题。该方法将特征选择视为一个序贯决策过程,根据样本外验证性能而非仅训练误差来评估候选特征子集。在利用1072个工程特征解释纳斯达克100指数周回报率的应用中,MCTS方法实现了0.6961的样本外R平方值,优于优化Lasso基线的0.6313,证明了其在透明度至关重要的因子归因和风险分解方面的潜力。 AI

影响 引入了一种基于MCTS的新颖方法,用于金融回归中的特征选择,与Lasso等传统方法相比,有望提高透明度和准确性。

排序理由 学术论文,详细介绍了一种用于金融回归特征选择的新方法。[lever_c_demoted from research: ic=1 ai=0.7]

在 arXiv cs.LG 阅读 →

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蒙特卡洛树搜索提升金融回归特征选择性能

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学术论文,详细介绍了一种用于金融回归特征选择的新方法。[lever_c_demoted from research: ic=1 ai=0.7]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Cameron Mouangue, Tristan Cazenave ·

    高维金融回归中的蒙特卡洛树搜索特征选择

    arXiv:2610.13574v1 Announce Type: new Abstract: Feature selection is a central problem in high-dimensional financial regression, where large numbers of engineered variables and strong correlations among predictors reduce model stability and interpretability. $L_1$ regularization …