Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13467
Title: Determining when to update the weights in combined forecasts for product demand - An application of the CUSUM technique
Authors: Chan, CK 
Kingsman, BG
Wong, H 
Keywords: Combined forecast
CUSUM
Quality control
V-Mask
Issue Date: 2004
Publisher: Elsevier
Source: European journal of operational research, 2004, v. 153, no. 3 spec. iss., p. 757-768 How to cite?
Journal: European journal of operational research 
Abstract: Combining forecasts merges several separate sets of forecasts to form a better composite forecast. There has been much published work on how to find the optimal combining weights. Several authors have suggested that changing the weights from time to time would be better than using fixed weights (FW). The unresolved problem is when to change the weights, on a regular basis or otherwise. The aim of this paper is to use the techniques of quality control to decide when we need to change the combining weights. An efficient and simple method to control the weights of the combined forecast is proposed and shown to perform better than one based on FW.
Description: ORP3 - Operation Research Peripatetic Postgraduate Programme, A EURO Conference for young OR researchers, The ORP3 Conference was held at LAMSADE, Universit e Paris Dauphine,26–29 September 2001
URI: http://hdl.handle.net/10397/13467
ISSN: 0377-2217
EISSN: 1872-6860
DOI: 10.1016/S0377-2217(02)00528-3
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