ï»¿ Partial Autocorrelation Function | Partial Autocorrelation

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Partial Autocorrelation Function

PACF: The Partial Autocorrelation at the given lag. The PACF will vary between -1 and +1, with values near Â±1 indicating stronger correlation. The PACF removes the effect of shorter lag autocorrelation from the correlation estimate at longer lags. This estimate is only valid to one decimal place.

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where rm is the Autocorrelation Function

Learn more about the Quality Improvement principles and tools for process excellence in Six Sigma Demystified (2011, McGraw-Hill) by Paul Keller, or his online Green Belt certification course ($499).