outlier

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out·li·er

 (out′lī′ər)
n.
1. One that lives or is located outside or at the edge of a given area: outliers of the forest standing in the field.
2. One that exists outside or at an extreme of a category, pattern, or expectation; an extreme case or exception: "those egg-laying outliers of mammaldom, the duck-billed platypus and the anteating echidna" (Natalie Angier).
3. A value far from most others in a set of data: "Outliers make statistical analyses difficult" (Harvey Motulsky).
4. A portion of stratified rock separated from a main formation by erosion.

outlier

(ˈaʊtˌlaɪə)
n
1. (Geological Science) an outcrop of rocks that is entirely surrounded by older rocks
2. a person, thing, or part situated away from a main or related body
3. a person who lives away from his place of work, duty, etc
4. (Statistics) statistics a point in a sample widely separated from the main cluster of points in the sample. See scatter diagram

out•li•er

(ˈaʊtˌlaɪ ər)

n.
1. a person residing away from a business, duty, etc.
2. Geol. a part of a formation left detached through the removal of surrounding parts by erosion.
[1600–10]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.outlier - a person who lives away from his place of work
occupant, occupier, resident - someone who lives at a particular place for a prolonged period or who was born there
2.outlier - an extreme deviation from the mean
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
deviation - the difference between an observed value and the expected value of a variable or function
Translations
valeur anormale
uteliggare
References in periodicals archive ?
In any event, we typically do not want to simply delete the outlying observation.
An outlying observation may be merely an extreme manifestation of the random variability inherent in the data and the result of gross deviation from prescribed experimental procedure or an error in calculating or recording the numerical value.
After 3 iterations of the consensus mean calculation procedure, only pool 2 had 1 remaining outlying observation based on 99% probability limits.
One outlying observation had grown to a monthly payroll of $130,000 by the end of its first year.
Since an outlying observation may be merely an extreme manifestation of the random variability inherent in the data and there is a chance of an error in calculating or recording a numerical result.
However, the level of employment remains about 3/4 per cent below the level predicted by our equation, which is lower than at any other point in the last 35 years apart from a single outlying observation in 1975.