Monitoring and adjusting forecasts in th
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Steven Hillmer
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Article
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1984
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John Wiley and Sons
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English
โ 555 KB
The effect of an additive outlier upon the accuracy of forecasts derived from extrapolative methods is investigated. It is demonstrated that an outlier affects not only the accuracy of the forecasts at the time of occurrence but also subsequent forecasts. Methods to adjust for additive outliers are