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Evaluation of hierarchical forecasting for substitutable products
This paper addresses hierarchical forecasting in a production planning environment. Specifically, we examine the relative effectiveness of Top-Down (TD) and Bottom-Up (BU) strategies for forecasting the demand for a ...
Forecasting item-level demands : an analytical evaluation of top-down versus bottom-up forecasting in a production-planning framework
We compare the performance of top–down (TD) and bottom–up (BU) strategies for forecasting the demand of an item that belongs to a product family. The TD strategy forecasts the sum of the item demands and distributes it to ...