different between correlation vs affinity

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

English

Pronunciation

• IPA^(key): /??f?n?ti/

Etymology

From Old French affinité.

Noun

affinity (countable and uncountable, plural affinities)

1. A natural attraction or feeling of kinship to a person or thing.
2. A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity (e.g. sister).
3. A kinsman or kinswoman of a such relationship; one who is affinal.
4. The fact of and manner in which something is related to another.
   • 1997, Chris Horrocks, Introducing Foucault, page 67, The Renaissance Episteme (Totem Books, Icon Books; ?ISBN:

     A “signature” was placed on all things by God to indicate their affinities — but it was hidden, hence the search for arcane knowledge. Knowing was guessing and interpreting, not observing or demonstrating.

5. Any romantic relationship.
6. Any passionate love for something.
7. (taxonomy) resemblances between biological populations; resemblances that suggest that they are of a common origin, type or stock.
8. (geology) structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.
9. (chemistry) An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds
10. (medicine) The attraction between an antibody and an antigen
11. (computing) tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses
12. (geometry) An automorphism of affine space.

Hyponyms

• microaffinity

Derived terms

Translations