V2EX uncorrelated

Uncorrelated

释义 Definition

uncorrelated:不相关的;(统计/数据中)不相关联、无相关性的,指两个变量之间没有线性关联(相关系数接近 0)。也可更宽泛地指“彼此无关联”。

发音 Pronunciation (IPA)

/nkrletd/

例句 Examples

The two survey questions are uncorrelated.
这两个调查问题彼此不相关。

In a diversified portfolio, returns from uncorrelated assets can help reduce overall risk.
在一个多元化的投资组合中,来自不相关资产的收益可以帮助降低整体风险。

词源 Etymology

由前缀 un-(表示否定,“不、非”)+ correlated(相关的)构成;correlate 源自拉丁语 *com-*(一起)+ relatus(“带回、联系”,与 relate 同源),整体含义是“把事物联系起来”。因此 uncorrelated 字面义即“没有被联系起来的/无关联的”。

相关词 Related Words

文学作品 Literary Works

  • “A Random Walk Down Wall Street”(Burt Malkiel):讨论市场回报与分散化时常使用“uncorrelated(不相关)”来说明资产之间相关性对风险的影响。
  • “The Black Swan”(Nassim Nicholas Taleb):在谈风险、相关性与极端事件传播时,常出现“uncorrelated/uncorrelatedness”一类表述。
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