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Fraction of Design Space Plots for Assessing Mixture and Mixture-Process Designs

Summary: [This abstract is based on the authors' abstract.] Variance dispersion graphs allow an experimenter to see patterns of scaled prediction variances (SPV) throughout a design space. A complementary fraction of design space plot is proposed that gives additional information on the distribution of the SPV throughout a design space. Plots for mixture and mixture-process experiments are developed and demonstrated with several examples.

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  • Topics: Design of Experiments
  • Keywords: Fractional factorial design,Mixture experiments,Dispersion analysis diagram,Two-way analysis of variance,Scale parameter
  • Author: Goldfarb, Heidi B.; Anderson-Cook, Christine M.; Borror, Connie M.; Montgomery, Douglas C.
  • Journal: Journal of Quality Technology