Moving Average

The average of the most recent n data values, where n is the "order" or "span" of the moving average. This is one of the methods often used for forecasting time series data. Large values for n give good results for very stable series. Smaller values are needed for series which tend to change level frequently.

Wind speed recorded every 10 minutes (grey) and moving 24 hour average (red).

See also: Autoregressive Moving Average Model, Average.

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Subjects: Mathematics