Abstract Details
Activity Number:
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104
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Type:
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Invited
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Date/Time:
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Monday, August 10, 2015 : 8:30 AM to 10:20 AM
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Sponsor:
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Section on Physical and Engineering Sciences
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Abstract #314224
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Title:
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Using Multiple Objectives to Select an Optimal Split-Plot Design for a Mixture-Process Experiment
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Author(s):
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Christine Anderson-Cook* and Lu Lu and Timothy Robinson
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Companies:
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Los Alamos National Laboratory and University of South Florida and University of Wyoming
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Keywords:
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Pareto Front ;
Restricted Randomization ;
Trade-offs
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Abstract:
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With increasingly constrained budgets, it is now becoming more desirable to get more information from each experiment and to have an intentional strategy for selecting a split-plot design (SPD) that balance multiple competing objectives. We consider a case study of a mixture-process experiment that seeks an SPD with a good balance of precise model coefficient estimates and low experimental cost, which is a function of time and financial cost. The D-efficiency is a function of the whole plot-to-subplot error variance ratio, a quantity that is typically not known a priori when the choice of a design must be made. Substantially different patterns of design performance robustness to the uncertainty of the specified variance ratio is demonstrated with the mixture-process design compared to non-mixture experiments.
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Authors who are presenting talks have a * after their name.
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