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autocorrelation

[aw-toh-kawr-uh-ley-shuh n, -kor-] /ˌɔ toʊˌkɔr əˈleɪ ʃən, -ˌkɒr-/
noun, Statistics.
1.
the correlation of an ordered series of observations with the same series displaced by the same number of terms.
Origin
1945-1950
1945-50; auto-1 + correlation
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for auto correlation

autocorrelation

/ˌɔːtəʊˌkɒrɪˈleɪʃən/
noun (statistics)
1.
the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent Also called serial correlation
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
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