Abstract
Adaptive filtering is a technique for preparing short- to medium-term forecasts based on the weighting of historical observations, in a similar way to moving average and exponential smoothing. However, adaptive filtering, as it has been developed in electrical engineering, attempts to distinguish a signal pattern from random noise, rather than simply smoothing the noise of past data. This paper reviews the technique of adaptive filtering and investigates its applications and limitations for the forecasting practitioner. This is done by looking at the performance of adaptive filtering in forecasting a number of time series and by comparing it with other forecasting techniques.
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Wheelwright, S., Makridakis, S. An Examination of the Use of Adaptive Filtering in Forecasting. J Oper Res Soc 24, 55–64 (1973). https://doi.org/10.1057/jors.1973.8
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DOI: https://doi.org/10.1057/jors.1973.8