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autocorrelation

[ aw-toh-kawr-uh-ley-shuh n, -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.

Nearby words

  1. autocoid,
  2. autocollimation,
  3. autocollimator,
  4. autocomplete,
  5. autocorrect,
  6. autocracy,
  7. autocrat,
  8. autocratic,
  9. autocrine,
  10. autocrine hypothesis

Origin of autocorrelation

First recorded in 1945–50; auto-1 + correlation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for autocorrelation

autocorrelation

/ (ˌɔːtəʊˌkɒrɪˈleɪʃən) /

noun statistics

the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independentAlso 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