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English(EN) The EM-algorithm and the Method of Moments in Softmax Mixture Models

新研究详细介绍Softmax混合模型的EM和MoM方法

一篇新研究论文探讨了期望最大化(EM)算法和矩量法(MoM)在Softmax混合模型(SMMs)中的应用。这些模型用于分析异质人群中的概率,并与现代LLM架构有关。研究表明,在某些分离条件下,EM算法可以有效地恢复混合成分,改进了现有高斯混合模型的分析。此外,还开发了用于参数和子空间估计的MoM程序,为EM提供了可证明的暖启动,并适用于较少组件数的情况。 AI

影响 为可能影响某些LLM架构的开发和分析的统计方法提供了理论见解。

排序理由 该集群包含一篇研究论文,详细介绍了与LLM相关的特定类型模型的统计方法。[lever_c_demoted from research: ic=1 ai=0.7]

在 arXiv cs.LG 阅读 →

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新研究详细介绍Softmax混合模型的EM和MoM方法

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该集群包含一篇研究论文,详细介绍了与LLM相关的特定类型模型的统计方法。[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) · Xin Bing, Florentina Bunea, Jonathan Niles-Weed, Marten Wegkamp ·

    EM算法与Softmax混合模型中的矩量法

    arXiv:2409.09903v3 Announce Type: replace-cross Abstract: Softmax Mixture Models (SMMs) are discrete $K$-component mixture models for the probabilities of selecting one of $p$ candidate feature vectors $X_1,\ldots,X_p\in\mathbb{R}^L$ in heterogeneous populations and are widely us…