V2EX decision rule

Decision Rule

释义 Definition

决策规则:为在多种选择中做出决定而制定的明确标准或步骤,常用于统计学、经济学与机器学习中,用来根据观察到的信息选择某个行动/类别。(也可泛指日常生活中的“判定依据/规则”。)

发音 Pronunciation (IPA)

/dsn rul/

例句 Examples

If the temperature is below zero, our decision rule is to cancel the trip.
如果气温低于零度,我们的决策规则就是取消行程。

In medical screening, a decision rule may combine age, symptoms, and test results to determine whether a patient should receive further examination.
在医学筛查中,决策规则可能把年龄、症状和检测结果结合起来,用于判断患者是否需要进一步检查。

词源 Etymology

decision 来自拉丁语 decidere(“切开、断开”,引申为“做出决定”);rule 来自拉丁语 regula(“直尺、规范”)。合在一起,decision rule 字面意思是“用来做决定的规则/准则”,后来在统计决策理论与分类问题中成为常用术语。

相关词 Related Words

文学与著作 Literary Works

  • Pattern Recognition and Machine Learning(Christopher M. Bishop):讨论分类问题中的决策边界与决策规则。
  • The Elements of Statistical Learning(Hastie, Tibshirani, Friedman):在统计学习/分类框架下使用并解释 decision rule。
  • Machine Learning(Tom M. Mitchell):在监督学习语境中提到学习到的分类决策规则。
  • Statistical Decision Theory and Bayesian Analysis(James O. Berger):在统计决策理论中系统讨论决策规则与风险函数。
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