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Some Optimality Variations of Central Composite Designs

Author

Listed:
  • Lilian O. Ngonadi

    (Department of Statistics, Nnamdi-Azikiwe University, Awka, Nigeria)

  • Francis C. Eze*

    (Department of Statistics, Nnamdi-Azikiwe University, Awka, Nigeria)

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.

Suggested Citation

  • Lilian O. Ngonadi & Francis C. Eze*, 2019. "Some Optimality Variations of Central Composite Designs," Academic Journal of Applied Mathematical Sciences, Academic Research Publishing Group, vol. 5(4), pages 32-42, 04-2019.
    • Handle: RePEc:arp:ajoams:2019:p:32-42
    DOI: 10.32861/ajams.54.32.42
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