autocorrelation

American

[aw-toh-kawr-uh-ley-shuhn, -kor-] / ˌɔ toʊˌkɔr əˈleɪ ʃən, -ˌkɒr- /

noun

Statistics.

the correlation of an ordered series of observations with the same series displaced by the same number of terms.

autocorrelation British

/ ˌɔːtəʊˌkɒrɪˈleɪʃən /

noun

Also called: serial correlation. the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of autocorrelation

First recorded in 1945–50; auto- ¹ + correlation

Example Sentences

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See Examples For:

autocorrelation

After he tinkered with autocorrelation for a few months, Auto-Tune was born in late 1996.

From Time Magazine Archive

Using a mathematical formula called autocorrelation, Hildebrand would send sound waves into the ground and record their reflections, providing an accurate map of potential drill sites.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023