# autocorrelation

## noun

au·to·cor·re·la·tion
ˌȯ-tō-ˌkȯr-ə-ˈlā-shən

-ˌkär-

**:**the correlation between paired values of a function of a mathematical or statistical variable taken at usually constant intervals that indicates the degree of periodicity of the function

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Merriam-Webster unabridged
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