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moving average
(redirected from Exponentially weighted moving average)

   Also found in: Medical, Financial, Acronyms, Wikipedia 0.02 sec.
moving average
n
(Mathematics & Measurements / Statistics) Statistics (of a sequence of values) a derived sequence of the averages of successive subsequences of a given number of members, often used in time series to even out short-term fluctuations and make a trend clearer the 3-term moving average of 4, 6, 8, 7, 9, 8 is 6, 7, 8


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In this study, the exponentially weighted moving average (EWMA) control chart is adopted, since it is effective against small process drifting.
This capability rests on time-series predictions rooted in an exponentially weighted moving average of process parameters, yielding an early indication of a drifting process.
Chapter 9: Cumulative Sum and Exponentially Weighted Moving Average Control Charts.
 
 
 
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