Outlier

nounverified·updated May 18, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

Values distant from most other values. In machine learning, any of the following are outliers: • Weights with high absolute values • Predicted values relatively far away from the actual values • Input data whose values are more than roughly 3 standard deviations from the mean Outliers often cause problems in model training. Clipping is one way of managing outliers

polysemousNotes on Measurement

Senses

4 more senses beyond the canonical

Glossary of Statistical Terms

An outlier is a data value that lies in the tail of the statistical distribution of a set of data values.

Russell_and_Norvig

An outlier is a data point that is far from other points.

Wordset Dictionary

an extreme deviation from the mean

Wordset Dictionary

a person who lives away from his place of work

Classifications

per-axis with provenance

Entity Type

Data100%manual revieweval-seeds-v0.4-2026-05-14

Ddorianlast reviewed —

OVERRIDE Metric→Data. 'An outlier is a data point that is far from'.

Sensitivity

unclassified

Information Class

unclassified

Variants

3 surface forms

plural: Outliers
possessive: Outlier's
pluralpossessive: Outliers'

Continue to:Dictionary →How is this term used per framework?Thesaurus →How does this term relate to other terms?Universal →Everything in one page.