Derive that the variance of the forecasted error using Exponential Smoothing (ES) method is given by 20² Var(et) 2-α Where o2 is the variance of individual observation and a is the parameter in the ES method. =

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 1E
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Derive that the variance of the forecasted error using Exponential Smoothing (ES) method is given by
20²
Var(et)
2 – α
Where o² is the variance of individual observation and a is the parameter in the ES method.
=
Transcribed Image Text:Derive that the variance of the forecasted error using Exponential Smoothing (ES) method is given by 20² Var(et) 2 – α Where o² is the variance of individual observation and a is the parameter in the ES method. =
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