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English(EN) Distributionally Robust Linear Regression With Block Lewis Weights

新算法解决了群组分布鲁棒最小二乘问题

研究人员为群组分布鲁棒(GDR)最小二乘问题开发了一种新算法。该算法在准确性适中的情况下,通过显著减少线性系统求解次数,可以获得近乎最优的解。该技术方法利用了一种称为块刘易斯权重的几何构造,将经验 GDR 问题与标准的最小二乘问题联系起来,并通过加速近端方法得到增强。 AI

影响 这项研究推进了与机器学习相关的优化技术,有可能提高统计模型的鲁棒性和效率。

排序理由 该集群包含一篇详细介绍统计问题新算法的学术论文。

在 arXiv stat.ML 阅读 →

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新算法解决了群组分布鲁棒最小二乘问题

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该集群包含一篇详细介绍统计问题新算法的学术论文。
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报道来源 [2]

  1. arXiv stat.ML TIER_1 English(EN) · Naren Sarayu Manoj, Kumar Kshitij Patel ·

    基于块状刘易斯权重分布鲁棒线性回归

    arXiv:2607.00252v1 Announce Type: cross Abstract: We present an algorithm for the group distributionally robust (GDR) least squares problem. Given $m$ groups, a parameter vector in $\mathbb{R}^d$, and stacked design matrices and responses $\mathbf{A}$ and $\mathbf{b}$, our algori…

  2. arXiv stat.ML TIER_1 English(EN) · Kumar Kshitij Patel ·

    基于块状刘易斯权重分布鲁棒线性回归

    We present an algorithm for the group distributionally robust (GDR) least squares problem. Given $m$ groups, a parameter vector in $\mathbb{R}^d$, and stacked design matrices and responses $\mathbf{A}$ and $\mathbf{b}$, our algorithm obtains a $(1+\varepsilon)$-multiplicative opt…