V2EX response variable

Response Variable

Definition / 定义

response variable(响应变量;因变量):在统计分析或实验设计中,指被解释、被预测或受处理/自变量影响的变量,也常称为 dependent variableoutcome variable。在回归模型里,它通常记作 Y。(在某些领域也可泛指“响应/结果指标”。)

Pronunciation / 发音

/ rspns vribl /

Examples / 例句

The response variable is blood pressure.
响应变量是血压。

In the regression model, the response variable changes as temperature and humidity increase.
在回归模型中,随着温度和湿度升高,响应变量会发生变化。

Etymology / 词源

response 源自拉丁语 respondēre,意为“回答、反应”;variable 源自拉丁语 variābilis,意为“可变化的”。合在一起在统计学语境中表示“对解释因素(自变量)作出变化反应的那个变量”,即“结果/输出端的变量”。

Related Words / 相关词

Literary Works / 文学与著作示例

  • Ronald A. Fisher, The Design of Experiments(实验设计经典著作,讨论处理因素与响应变量的关系)
  • George E. P. Box, J. S. Hunter & W. G. Hunter, Statistics for Experimenters(大量使用“response variable/response”来指实验结果变量)
  • John Fox, Applied Regression Analysis and Generalized Linear Models(回归分析教材中常用“response variable”指模型的 Y)
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