3. Unstable or changing patterns or relationships: Statistical mod- els assume that patterns and relationships are constant.
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3. Unstable or changing patterns or relationships: Statistical mod-
els assume that patterns and relationships are constant. This is rarely the case in the real world, however, where special events and actions, fashions, cycles, and so forth bring sys-
tematic changes and therefore introduce non-random errors in forecasting.
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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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