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新的博弈策略在机器学习中实现了近乎最优的遗憾界限

研究人员开发了一种新的混合博弈策略,该策略结合了Robbins和Cover的工作元素,以实现自适应遗憾界限。这种新颖的方法在几乎所有数据路径上都表现出$O(\ln \ln n)$的遗憾,与现有方法相比性能有所提高。该策略还为对抗性数据提供了保护,实现了“两全其美”的自适应性。这项工作与之前关于亚高斯混合的研究结果形成对比,突显了对不同策略进行对冲以获得最佳性能的好处。 AI

影响 引入了一种新颖的博弈策略,在自适应和对抗性数据场景中具有改进的遗憾界限。

排序理由 学术论文,详细介绍了在机器学习中实现遗憾最小化的新颖理论贡献。

在 arXiv stat.ML 阅读 →

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新的博弈策略在机器学习中实现了近乎最优的遗憾界限

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学术论文,详细介绍了在机器学习中实现遗憾最小化的新颖理论贡献。
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报道来源 [1]

  1. arXiv stat.ML TIER_1 English(EN) · Aaditya Ramdas ·

    Cover meets Robbins while Betting on Bounded Data: $\ln n$ Regret and Almost Sure $\ln\ln n$ Regret

    Consider betting against a sequence of data in $[0,1]$, where one is allowed to make any bet that is fair if the data have a conditional mean $m_0 \in (0,1)$. Cover's universal portfolio algorithm delivers a worst-case regret of $O(\ln n)$ compared to the best constant bet in hin…