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design effect

  • 设计效应:在调查方法学中,设计效应(通常表示为Deff或Deft2)是对采样设计对估计量方差的预期影响的度量。它被计算为基于(通常是)复杂采样设计的样本的估计量的方差与基于相同数量元素的简单随机样本(SRS)的替代估计量的方差的比值。Deff(无论是估计还是已知的先验)可用于调整估计量的方差,以适应非简单随机抽样的情况。它还可以用于样本量计算和量化样本的代表性。术语“设计效应”由Leslie Kish于1965年创造。

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  设计效应

...) 阅读全文>> 权威出处: 《化工设备与管道》2002年06期 统计与管理 基于超总体模型的抽样设计效应估计 设计效应(design effect,简记为deff)是抽样理论中的一个重要概念。

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  计效应

同时,考虑到我们 所使用的调查数据运用了复杂抽样设计方法,我们运行了考虑抽样设 计效应Design Effect)①的模型。

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短语

Figure 7 square design effect 广场设计效果图7张

Design Effect Light 图案效果灯

Design effect diagram 设计效果图

design effect drawing 设计效果图

Penthouse floor plans design effect 复式楼设计效果图

mixed effect design 混合效应设计

effect design 效果设计

Video Effect Design 影视特效设计

effect displaying design 成效图设计 ; 效果图设计

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Design effect

  • abstract: In statistics, the design effect (or estimates of unit variance) is an adjustment used in some kinds of studies, such as cluster randomised trials, to allow for the design structure. The adjustment inflates the variance of parameter estimates, and therefore their standard errors, which is necessary to allow for correlations among clusters of observations.

以上来源于: WordNet

双语例句权威例句

  • In this particular case, we are referring to pillows and their strong design effect.

    这个特殊情况下我们指的枕头强大的设计效果。

    youdao

  • This paper analyses systematically common sampling methods and their own' s design effect on the base of the theory of sampling technique.

    本文抽样技术理论基础系统地分析了几种常用抽样方法各自设计效果

    youdao

  • By analyzing the relationship between design ability and design time, mental workload, and design effect, an evaluation method of design ability is proposed.

    分析设计能力脑力负荷、设计时间设计效果之间关系提出了定量评价方法

    youdao

更多双语例句
  • People magazine recently adopted responsive design to great effect in order to scale traditional Web content across screens.

    FORBES: Mobile Apps: The Trouble With Using 'Responsive Design'

  • Born and raised in Hiroshima, Miyake discovered the empowering effect of design in a way he could never have imagined.

    WSJ: Progressive Dress | Designer

  • "But it was when he visited Genoa and he actually saw the kind of properties that merchants were living in and he thought, I am the richest man in Wales I need something better than a ramshackle of pile, and when he was in Rome he commissioned another architect to design, what is in effect, a palace of culture, " Mr Gammond said.

    BBC: Sir Watkin Williams

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