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Analysis and efficient 2 k − 1 designs for experiments in blocks of size two
Author(s) -
Wang P. C.,
Cook R. Dennis
Publication year - 2012
Publication title -
quality and reliability engineering international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 62
eISSN - 1099-1638
pISSN - 0748-8017
DOI - 10.1002/qre.1218
Subject(s) - fractional factorial design , design of experiments , replication (statistics) , factorial experiment , plackett–burman design , computer science , generator (circuit theory) , factorial , variety (cybernetics) , mathematics , algorithm , statistics , power (physics) , mathematical analysis , physics , response surface methodology , quantum mechanics
Two‐level factorial designs in blocks of size two are useful in a variety of experimental settings, including microarray experiments. Replication is typically used to allow estimation of the relevant effects, but when the number of factors is large this common practice can result in designs with a prohibitively large number of runs. One alternative is to use a design with fewer runs that allows estimation of both main effects and two‐factor interactions. Such designs are available in full factorial experiments, though they may still require a great many runs. In this article, we develop fractional factorial design in blocks of size two when the number of factors is less than nine, using just half of the runs needed for the designs given by Kerr ( J Qual. Tech. 2006; 38 :309–318). Two approaches, the orthogonal array approach and the generator approach, are utilized to construct our designs. Analysis of the resulting experimental data from the suggested design is also given. Copyright © 2011 John Wiley & Sons, Ltd.

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