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English(EN) Self-Normalized Martingales and Uniform Regret Bounds for Linear Regression

新论文分析了线性回归的尺度不变遗憾界

研究人员对线性回归中自归一化鞅的尺度不变上界进行了表征,发现这类界限通常只在一维情况下可能。对于大于一维的情况,研究表明在没有额外假设的情况下,不可能存在非平凡的尺度不变界限。该研究还解决了在线性回归中关于双重均匀遗憾的一个开放性问题,提供了一个在 $d=1$ 时具有 $O(\log T)$ 遗憾的算法,并证明了其在 $d>1$ 时是不可能的。 AI

影响 推进了对在线学习中遗憾界限的理论理解,可能影响未来的算法设计。

排序理由 阐述统计学习理论进展的学术论文。

在 arXiv stat.ML 阅读 →

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新论文分析了线性回归的尺度不变遗憾界

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阐述统计学习理论进展的学术论文。
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报道来源 [2]

  1. arXiv stat.ML TIER_1 English(EN) · Fan Chen, Jian Qian, Alexander Rakhlin, Nikita Zhivotovskiy ·

    自归一化鞅与线性回归的统一遗憾界

    arXiv:2605.01628v1 Announce Type: new Abstract: Self-normalized martingale inequalities lie at the heart of confidence ellipsoids for online least squares and, more broadly, many bandit and reinforcement-learning results. Yet existing vector and scalar results typically rely on b…

  2. arXiv stat.ML TIER_1 English(EN) · Nikita Zhivotovskiy ·

    自归一化鞅与线性回归的统一遗憾界

    Self-normalized martingale inequalities lie at the heart of confidence ellipsoids for online least squares and, more broadly, many bandit and reinforcement-learning results. Yet existing vector and scalar results typically rely on bounded covariates and an explicit regularization…