A note on small composite designs for sequential experimentation

Nam Ky Nguyen, Dennis K.J. Lin

Research output: Contribution to journalReview article

10 Citations (Scopus)

Abstract

The recommended approach to experiments using the response surface methodology is sequential, i.e., experiments should be conducted iteratively. Al the first stage, a first-order design, usually an orthogonal two-level design (with a few center points) is used to find out whether the current region is appropriate and to allow the estimation of main effects (and possibly some interactions). The design at the first stage is then augmented with more runs in the second stage. The combined design allows the estimation of the remaining interaction and quadratic effects. Some well-known classes of designs which allow such a sequential experimentation are the central composite designs, the small composite designs and the augmented-pair designs. This paper reviews these designs and introduces a new algorithm which is able to augment any first order design with additional design points to form a good design for a second-order model.

Original languageEnglish (US)
Pages (from-to)109-117
Number of pages9
JournalJournal of Statistical Theory and Practice
Volume5
Issue number1
DOIs
StatePublished - Mar 1 2011

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Experimentation
Composite
Design
First-order
Second-order Model
Response Surface Methodology
Main Effect
Interaction
Experiment

All Science Journal Classification (ASJC) codes

  • Statistics and Probability

Cite this

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A note on small composite designs for sequential experimentation. / Nguyen, Nam Ky; Lin, Dennis K.J.

In: Journal of Statistical Theory and Practice, Vol. 5, No. 1, 01.03.2011, p. 109-117.

Research output: Contribution to journalReview article

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