V2EX credible interval

Credible Interval

释义 Definition

可信区间:贝叶斯统计中用于描述参数不确定性的区间。在给定数据与先验后,参数落在该区间内的后验概率为某个指定值(如 95%)。它与频率学派的 confidence interval(置信区间)概念不同。

例句 Examples

A 95% credible interval suggests the parameter is likely within that range given the data and prior.
95% 可信区间表示在给定数据和先验的情况下,该参数很可能落在这个范围内。

Using a Bayesian model, we estimated the treatment effect and reported a 90% credible interval to reflect posterior uncertainty.
使用贝叶斯模型后,我们估计了治疗效应,并报告了 90% 可信区间以体现后验不确定性。

发音 Pronunciation (IPA)

/krdbl ntrvl/

词源 Etymology

credible 源自拉丁语 credibilis(“值得相信的”),与 credit / creed 同源;interval 源自拉丁语 intervallum(“间隔、间距”)。合起来表示“在统计推断中可被相信的区间”,在现代用法中特指贝叶斯框架下由后验分布给出的区间。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Bayesian Data Analysis(Gelman, Carlin, Stern, Dunson, Vehtari & Rubin)
  • Statistical Rethinking(Richard McElreath)
  • Doing Bayesian Data Analysis(John K. Kruschke)
  • The BUGS Book: A Practical Introduction to Bayesian Analysis(David Lunn 等)
  • Pattern Recognition and Machine Learning(Christopher M. Bishop,常在贝叶斯推断语境中讨论区间估计)
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