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outlier

noun

  1. observation far apart from others in statistics and data science
L324833 on Wikidata ↗

Wiktionary

Pronunciation: /ˈaʊtˌlaɪə(ɹ)/ / /ˈʌʊtˌlaɪɚ/

noun

Etymology: Etymology tree English outlie Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English outlier From outlie + -er.

  1. A person or thing situated away from the main body or outside its proper place.

    Observing as an outlier from Scotland, Hynes sums up the industry problem: "The conversation we've had for this article is really about creating an environment in which better decisions can be taken, isn't it?

  2. An exception.

    And in a world where police officers are mostly paired by species (zebras with zebras, hippos with hippos, etc.), Judy and Nick’s rare bunny/fox combo marks them as outliers.

  3. A part of a formation separated from the rest of the formation by erosion.
  4. A value in a statistical sample which does not fit a pattern that describes most other data points; specifically, a value that lies 1.5 IQR beyond the upper or lower quartile.