Some guidelines for constructing exact d-optimal designs on convex design spaces

Mark E. Johnson, Christopher J. Nachtsheim

Research output: Contribution to journalArticlepeer-review

90 Scopus citations

Abstract

Some problems unique to the construction of N-point D-optimal designs on convex design spaces are considered. Multiple-point augmentation and exchange algorithms are shown to be more costly and less efficient than the analogous single-point procedures. Moreover, some recommendations for improving single-point methods are given. Finally, empirical evidence is found that supports the Galil and Kiefer option for constructing initial designs and Powell's optimization method for design augmentation.

Original languageEnglish (US)
Pages (from-to)271-277
Number of pages7
JournalTechnometrics
Volume25
Issue number3
DOIs
StatePublished - Aug 1983
Externally publishedYes

Keywords

  • Conjugate directions
  • D-optimal
  • Design augmentation
  • Exchange algorithm
  • Nonlinear optimization
  • Simplex search

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