V2EX cluster analysis

Cluster Analysis

释义 Definition

聚类分析:一种无监督学习/统计方法,用来把数据按相似性自动分组(形成“簇”),使同一组内更相似、不同组之间差异更大。也常用于探索数据结构、客户细分、文本主题发现等。

发音 Pronunciation (IPA)

/klstr nlss/

例句 Examples

We used cluster analysis to group customers by shopping habits.
我们用聚类分析按购物习惯给顾客分组。

Using cluster analysis on gene-expression data, the researchers identified several distinct subtypes that were not obvious from traditional labels.
研究人员对基因表达数据进行聚类分析,识别出若干传统标签下并不明显的不同亚型。

词源 Etymology

cluster 源自古英语 clyster,本义是“成串/一簇的东西”;analysis 源自希腊语 analysis,意为“分解、拆解”。合起来的 cluster analysis 字面即“对(数据)簇的分析/通过分析形成簇”,在统计学与机器学习语境中专指“按相似性自动分组”的方法。

相关词 Related Words

文学与名著用例 Literary Works

  • Pattern Recognition and Machine Learning(Christopher M. Bishop)在无监督学习章节系统讨论聚类方法与应用。
  • The Elements of Statistical Learning(Trevor Hastie, Robert Tibshirani, Jerome Friedman)介绍聚类分析与相关统计学习框架。
  • An Introduction to Statistical Learning(Gareth James 等)以教学方式讲解聚类分析(含层次聚类、K-means 等)。
  • Data Mining: Concepts and Techniques(Jiawei Han, Micheline Kamber, Jian Pei)在数据挖掘语境中详细论述聚类分析与评估指标。
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