Design and analysis of two-level factorial experiments with partial replication
Resource
Technometrics 51 (1): 66-74
Journal
Technometrics
Journal Volume
51
Journal Issue
1
Pages
66-74
Date Issued
2009
Author(s)
Chai, F.-S.
Abstract
Abstract In a two-level factorial experiment, we consider construction of parallel-flats designs with two identical parallel flats that allow estimation of a set of specified possibly active effects and the pure error variance. A set of sufficient conditions is presented for the designs to be D-optimal for the specified effects, assuming that the other effects are negligible, over the class of competing parallel-flats designs. In addition, an algorithm is developed to generate the D-optimal designs with a choice of flexible degrees of freedom for the pure error variance. Because the proposed partially replicated designs are highly efficient in estimating the possibly active effects and provide a replication-based estimate of the error variance, they provide a practical compromise between the power in identifying truly active effects and the number of runs in experiments. This property is verified through a simulation study. Keywords: : Active effectParallel-flats designPure errorUnreplicated design
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Type
journal article
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