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A-optimal designs for optimum mixture in an additive quadratic mixture model
, N K MANDAL, M L AGGARWAL
Published in Taylor and Francis Ltd.
2017
Volume: 51
   
Issue: 2
Pages: 265 - 276
Abstract
In the analysis of experiments with mixtures, quadratic models have been widely used. The optimum designs for the estimation of optimum mixing proportions in a quadratic mixture model have been studied by Pal and Mandal [Optimum designs for optimum mixtures. Statist Probab Lett. 2006;76:1369–1379] and Mandal et al. [Optimum mixture designs: a pseudo-Bayesian approach. J Ind Soc Agric Stat. 2008;62(2):174–182; Optimum mixture designs under constraints on mixing components. Statist Appl. 2008;6(1&2) (New Series): 189–205], using a pseudo-Bayesian approach. In this paper, a similar approach has been employed to obtain the A-optimal designs for the estimation of optimum proportions in an additive quadratic mixture model, proposed by Darroch and Waller [Additivity and interaction in three-component experiments with mixture. Biometrika. 1985;72:153–163], when the number of components is 3, 4 and 5. It has been shown that the vertices of the simplex are necessarily the support points of the optimum design, and the other support points include barycentres of depth at most 2. © 2016 Informa UK Limited, trading as Taylor & Francis Group.
About the journal
JournalData powered by TypesetStatistics
PublisherData powered by TypesetTaylor and Francis Ltd.
ISSN0233-1888
Open AccessNo