期刊
PRODUCTION AND MANUFACTURING RESEARCH-AN OPEN ACCESS JOURNAL
卷 2, 期 1, 页码 658-673出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/21693277.2014.956903
关键词
large experimental designs; full quadratic regression model; clustering designs
资金
- National Science Foundation (NSF) (CREST program) [0833112]
- National Institutes of Health (NIH) MARC 'Bioinformatics Programs at Minority Institutions' [5T36GM095335-02]
- Direct For Education and Human Resources [0833112] Funding Source: National Science Foundation
Simulation models have importantly expanded the analysis capabilities in engineering designs. With larger computing power, more variables can be modeled to estimate their effect in ever larger number of performance measures. Statistical experimental designs, however, are still somewhat focused on the variation of less than about a dozen variables. In this work, an effort to identify strategies to deal with tens of variables is undertaken. The aim is to be able to generate designs capable to estimate full quadratic models using simply a personal computer. Quadratic models are interesting because they can support statistical testing, provide competitive approximating models, and make optimization problems tractable. Several strategies are contrasted: (1) generate designs with random numbers, (2) use designs already available in the literature, (3) generate designs under a clustering strategy, and (4) generate designs using random-walk methods. The first strategy is an easy way to generate a design, although the statistical properties cannot be controlled. The second strategy does focus on statistical properties, but some of the designs become rapidly inconvenient to generate when increasing the number of variables. The third and fourth strategies are investigated as novel possibilities to generate designs in a convenient manner.
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