Abstract
Forecasting the demand of product materials required for industries can help practitioner to formulate financial and marketing strategies. Available data are often nonlinear and real-valued, but samples are often derived from uncertain assessments, without adhering to any statistical assumptions. Furthermore, to provide the degree of variation associated with forecasts, it is preferable to estimate an interval consisting of the upper and lower bounds, rather than a single predicted value at each time period. Although non-statistical grey prediction is appropriate in such situations, previous interval grey prediction models were bounded. This study thus develops a neural-network-based interval grey prediction model and focus on the evaluation of the reliability of estimated intervals. In light of the importance of printed circuit boards (PCBs) to the manufacture of electrical and electronic products, the performance of the proposed model was verified by forecasting PCB product values. The results show that the proposed model performs well among considered interval grey prediction models.





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This research is supported by the Ministry of Science and Technology, Taiwan under grant MOST 110–2410–H–033–013–MY2.
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Hu, YC. Neural-network-based interval grey prediction models with applications to forecasting the demand of printed circuit boards. Soft Comput 26, 11827–11838 (2022). https://doi.org/10.1007/s00500-022-06963-7
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DOI: https://doi.org/10.1007/s00500-022-06963-7