V2EX adjusted p-value

Adjusted P-Value

定义 Definition

adjusted p-value(校正后的 p 值/调整后的 p 值):在进行多重检验(一次做很多假设检验)时,把原始 p 值按照某种校正方法(如 Bonferroni、Holm、BenjaminiHochberg 等)进行调整后的数值,用来更公平地控制整体错误率(如家族错误率 FWER 或假发现率 FDR)。除统计学语境外,“adjusted”也可表示“调整后的”,但这里通常专指多重比较校正。

例句 Examples

The adjusted p-value is below 0.05, so the result remains significant.
校正后的 p 值低于 0.05,因此结果仍然显著。

After testing thousands of genes, we reported adjusted p-values to control the false discovery rate.
在检测成千上万个基因之后,我们报告了校正后的 p 值,以控制假发现率。

发音 Pronunciation (IPA)

/dstd pivlju/

词源 Etymology

adjusted 来自动词 adjust(调整、校正),源自法语 ajuster(使合适、校准);p-value 是统计学术语,p 通常被解释为 probability(概率)的缩写或记号传统。合起来的 adjusted p-value 强调“在多重比较情下被校正过的 p 值”。

相关词 Related Words

文学与经典著作中的用例 Literary / Notable Works

  • Multiple Comparisons and Multiple Tests(Shigeru Hochberg & Ajit C. Tamhane):系统讨论多重检验与(调整/校正后的)p 值报告方式。
  • All of Statistics(Larry Wasserman):在假设检验与多重比较相关章节中使用并解释 adjusted p-values 的概念。
  • Bioinformatics and Computational Biology Solutions Using R and Bioconductor(多位作者):在基因表达等高通量分析中频繁出现 adjusted p-value(常用于 FDR 控制)。
  • An Introduction to Statistical Learning(Gareth James 等):在模型评估与统计推断相关内容中提及多重检验与 p 值调整的实践。
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