different between relevancy vs correlation

English

Etymology

From relevant +? -ancy.

Pronunciation

• IPA^(key): /???l?v?nsi/
• Hyphenation: rel?e?van?cy

Noun

relevancy (countable and uncountable, plural relevancies)

1. (law, Scotland) Sufficiency (of a statement, claim etc.) to carry weight in law; legal pertinence. [from 16th c.]
2. (uncountable) The degree to which a thing is relevant; relevance, applicability. [from 17th c.]
   • 1842, Edgar Allan Poe, ‘The Myster of Marie Rogêt’:

     It is the malpractice of the courts to confine evidence and discussion to the bounds of apparent relevancy.

3. (countable) A relevant thing. [from 19th c.]

Usage notes

• In contemporary usage relevance is about 20 times more common in the US (COCA) and about 50 times more common in the UK (BNC) than relevancy.

Antonyms

• irrelevancy

Related terms

• relevant
• relevance

Translations

Further reading

• relevancy in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

English

Etymology

From Middle French corrélationMorphologically correlate +? -ion

Pronunciation

• (General American) IPA^(key): /k????le???n/, /k????le???n/
• (Received Pronunciation) IPA^(key): /k????le???n/
• Rhymes: -e???n
• Hyphenation: cor?re?la?tion

Noun

correlation (countable and uncountable, plural correlations)

1. A reciprocal, parallel or complementary relationship between two or more comparable objects.
2. (statistics) One of the several measures of the linear statistical relationship between two random variables, indicating both the strength and direction of the relationship.
3. (algebra) An isomorphism from a projective space to the dual of a projective space, often to the dual of itself.

Derived terms

• autocorrelation
• correlation coefficient
• discorrelation
• Pearson correlation

Related terms

• correlate

Translations

Further reading

• correlation on Wikipedia.Wikipedia