V2EX hidden variables

Hidden Variables

Definition / 释义

“Hidden variables”(隐藏变量/潜在变量)指在一个系统、模型或实验中未被直接观测或未被纳入分析,但会影响结果或观测数据的变量。常见于统计学、因果推断、机器学习、心理测量,以及量子物理(“隐变量理论”)等语境中。也可泛指“幕后因素”。

Pronunciation / 发音

/hdn vriblz/

Examples / 例句

Hidden variables can make a simple correlation misleading.
隐藏变量可能会让看似简单的相关关系产生误导。

Even after controlling for income, the study may still be biased because of hidden variables like education quality and access to healthcare.
即使控制了收入,这项研究仍可能因教育质量、医疗可及性等隐藏变量而产生偏差。

Etymology / 词源

“Hidden”源自古英语 hydan(隐藏、遮蔽),“variable”来自拉丁语 variabilis(可变化的)。合起来的“hidden variable(s)”在现代学术语境中逐渐固定为术语,用来指那些不可见但会影响观测与推断的因素;在20世纪量子力学讨论中,“hidden-variable theory(隐变量理论)”也使这一表达更为广泛。

Related Words / 相关词

Literary Works / 文学作品

  • Causality: Models, Reasoning, and Inference(Judea Pearl)在因果推断语境中讨论隐藏变量/未观测混杂因素。
  • The Book of Why(Judea Pearl & Dana Mackenzie)以通俗方式谈及隐藏变量对因果解释的影响。
  • Speakable and Unspeakable in Quantum Mechanics(J. S. Bell)涉及“隐变量”在量子理论中的核心争论。
  • Quantum Theory and Measurement(John Archibald Wheeler & Wojciech H. Zurek 编)收录多篇与隐变量相关的经典论文与讨论。
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