V2EX residuals

Residuals

释义 Definition(中文)

residuals(复数)常指“残余/剩余部分”;在统计与回归分析中,指“残差”(观测值与模型预测值之差);在影视行业语境中,也可指“重播/二次发行分成的版税式酬金”(residual payments)。

发音 Pronunciation(IPA)

/rzdulz/

例句 Examples

There are only a few residuals of paint on the floor.
地板上只剩下少量的油漆残留。

After fitting the regression model, we examined the residuals to check whether the errors were randomly scattered.
在拟合回归模型之后,我们检查残差,以判断误差是否呈随机分布(是否存在系统性偏差)。

词源 Etymology(中文)

residual 来自拉丁语 residuus(“剩下的、残留的”),与 residere(“留下、停留”)相关;其核心含义一直围绕“留下来的部分”。在统计学中,“残差(residual)”由“剩余的差值”这一概念引申而来。

相关词 Related Words

文学与典籍 Literary Works(出现示例)

  • An Introduction to Statistical Learning(《统计学习导论》)在回归章节中频繁使用 residuals 讨论模型诊断与误差结构。
  • The Elements of Statistical Learning(《统计学习基础》)用 residuals 分析拟合效果、偏差与噪声,并引出更复杂的模型评估方法。
  • Applied Linear Regression(《应用线性回归》)将 residuals 作为检验线性假设、异常点与异方差的重要工具。
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