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Use of Individual and Group Seasonal Indices in Subaggregate Demand Forecasting
H. Chen and J. E. Boylan
The Journal of the Operational Research Society
Vol. 58, No. 12 (Dec., 2007), pp. 1660-1671
Stable URL: http://www.jstor.org/stable/4622863
Page Count: 12
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An individual seasonal indices (ISI) method and two group seasonal indices (GSI) methods proposed in the literature are compared, based on two models. Rules have been established to choose between these methods and insights are gained on the conditions under which one method outperforms the others. Simulation findings confirm that using the rules improves forecasting accuracy against universal application of these methods.
The Journal of the Operational Research Society © 2007 Operational Research Society