Some Optimality Variations of Central Composite Designs

Lilian O. Ngonadi and Francis C. Eze*
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Lilian O. Ngonadi: Department of Statistics, Nnamdi-Azikiwe University, Awka, Nigeria
Francis C. Eze*: Department of Statistics, Nnamdi-Azikiwe University, Awka, Nigeria

Academic Journal of Applied Mathematical Sciences, 2019, vol. 5, issue 4, 32-42

Abstract: Some variations of central composite designs (CCD) under complete and partial replications of cube, axial and center points are studied using A, D and G optimality criteria. The results obtained suggest that complete replication of the cube, axial and center points are better than the partial replication of cube, axial and center points under the A and D optimality criteria studied while it varies under G optimality criterion. The partial replication of the cube, axial and center point for all the CCDs studied, the partial replicated cube point is D optimal but varies under A and G optimality criteria.

Keywords: Central composite design; Cube point; Axial point; Center point; Optimality criteria; Partial replication. (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:arp:ajoams:2019:p:32-42

DOI: 10.32861/ajams.54.32.42

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