4. It is surprising that the straight-line projection method is used trend-line projection for short-term horizons. Given
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4. It is surprising that the straight-line projection method is used trend-line projection for short-term horizons. Given seasonality and cyclical factors, ups and downs in the short-term make straight-line extrapola-
tions highly inaccurate. Even for the medium-term, trend-line extrapolation is not very accurate, according to empirical stud-
ies.
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Related Book For
Forecasting Methods And Applications
ISBN: 9780471532330
3rd Edition
Authors: Spyros G. Makridakis, Steven C. Wheelwright, Rob J Hyndman
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