New families of Q_B optimal saturated two-level main effects screening designs

Pi Wen Tsai; Steven G. Gilmour

doi:10.5705/ss.202015.0084

New families of Q_B optimal saturated two-level main effects screening designs

Pi Wen Tsai, Steven G. Gilmour

National Taiwan Normal University

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

157 Downloads (Pure)

Abstract

In this paper, we study saturated two-level main effects designs which are commonly used for screening experiments. The Q_B criterion, which incorporates experimenters’ prior beliefs about the probability of factors being active is used to compare designs. We show that under priors with more weight on models of small size, p-efficient designs should be recommended; when models with more parameters are of interest, A-optimal designs would be better. We identify new classes of saturated main effects designs between these two designs under different priors. The way in which the choice of designs depends on experimenters’ prior beliefs is demonstrated for the cases when the number of runs N = 2 mod 4. A novel method of construction of Q_B-optimal designs using conference matrices is introduced. Complete families of optimal designs are given for N = 6; 10; 14; 18; 26; 30.

Original language	English
Pages (from-to)	605-617
Number of pages	13
Journal	STATISTICA SINICA
Volume	26
DOIs	https://doi.org/10.5705/ss.202015.0084
Publication status	Published - Apr 2016

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New families of Q_B optimal saturated two-level main effects screening designs

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