ose:
rrafshim eksponencial
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exponential smoothing:
a smoothing technique used to reduce irregularities(random fluctuations)in time series data,thus providing a clearer view of the true underlying behaviour of the series.It also provides an effective means of predicting future values of the time series(forecasting)

Ref. Easton,Valerie J.,& McColl,John H.,Statistics Gloss.,STEPS,1997

Ref. Easton,Valerie J.,& McColl,John H.,Statistics Gloss.,STEPS,1997;Kendall & Buckland,Dict.of Stat.Terms,1982
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...there are various forms, but all are based on the supposition that more remote history has less importance than more recent history

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FR: lissage exponentiel
IT: livellamento esponenziale