Abstract
The technique of fold-over is useful for conducting follow-up experiments. Based on the minimum aberration criterion, Li and Lin (2003) developed an algorithm and used computer to search the corresponding optimal foldover designs for 16 and 32 runs in the 2k-p design. In their study, they found that the 210−6 design is the only one that is not a strong combined-optimal design among all the designs. However, they did not interpret the reason causing the phenomenon. This article will explore under what kind of conditions, that the strong combined-optimal design will exist, and the solutions of the related problems.
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Liau, PH. The existence of the strong combined-optimal design. Statistical Papers 48, 143–150 (2007). https://doi.org/10.1007/s00362-006-0320-0
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DOI: https://doi.org/10.1007/s00362-006-0320-0