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English(EN) Beyond Discrepancy: Oracle Drift in Nonstationary Weighted Risk Minimization

提出新的“预言家漂移”指标用于风险最小化分析

本文引入了一个名为“预言家漂移”(oracle drift)的新指标,以更好地分析非平稳加权风险最小化中的分布漂移。作者将超额风险分解为估计、漂移和近似分量,并提出预言家漂移直接关系到模型类别内最佳预测器的移动。他们的分析表明,传统的差异型量度可能过于保守,其缩放阶数可能大于其对超额风险的实际贡献,并对风险表面的不相关变化做出响应。该研究将此分析扩展到参数回归模型和非参数回归。 AI

影响 引入了一个改进的指标,用于分析机器学习风险最小化中的分布漂移,可能导致更准确的模型评估。

排序理由 该集群包含一篇在arXiv上发表的学术论文,详细介绍了一种新的风险最小化理论指标。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv stat.ML 阅读 →

AI 生成摘要 · Google Gemini · 来自 1 个来源。 我们如何撰写摘要 →

提出新的“预言家漂移”指标用于风险最小化分析

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该集群包含一篇在arXiv上发表的学术论文,详细介绍了一种新的风险最小化理论指标。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv stat.ML TIER_1 English(EN) · Tobias Brock, Thomas Nagler ·

    超越差异:非平稳加权风险最小化中的Oracle漂移

    arXiv:2610.13598v1 Announce Type: cross Abstract: We analyze distributional drift in nonstationary weighted risk minimization by decomposing the excess risk into estimation, drift, and approximation components. The drift error is commonly bounded through discrepancy-type quantiti…