V2EX outlier

Outlier

释义 Definition

名词 (n.) 异常值;局外人;离群者。指与其他事物或群体明显不同的人或数据点,偏离常规或主流。

发音 Pronunciation

/atla.r/

例句 Examples

The data point at $500 is clearly an outlier in this dataset.
这个500美元的数据点在这个数据集中显然是一个异常值。

She was always an outlier among her peers, choosing unconventional paths that eventually led to remarkable success.
她在同龄人中始终是个局外人,选择了非常规的道路,最终取得了非凡的成就。

词源 Etymology

outlierout(外面)和 lier(躺卧者,源自 lie)组合而成,最早出现于17世纪,原义指"躺在外面的东西"或"被放置在远处的事物"。后来在地质学中指远离主岩层的岩石碎块,在统计学中则指偏离数据主体的异常值。如今也广泛用于形容在社会或群体中与众不同的人。

相关词汇 Related Words

文学作品 Literary References

  • Malcolm Gladwell 的畅销书 Outliers: The Story of Success(《异类:不一样的成功启示录》,2008)是该词最著名的文学应用。书中探讨了成功人士之所以与众不同的深层原因,认为成功不仅来自个人天赋,更来自文化、环境和机遇等因素。
  • 在统计学和数据科学类著作中,outlier 被频繁使用,如 Nassim Nicholas Taleb 的 The Black Swan(《黑天鹅》)中也涉及异常事件和离群现象的讨论。
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