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Design-Plots for Factorial and Fractional-Factorial Designs [PDF]
Journal of Quality Technology, 1998 This chapter develops design-plots for viewing the set of run conditions for experiment designs. The emphasis is on factorial and fractional factorial designs but mixture designs nested designs and irregular designs are also presented. The fundamental concept for designs with more than two factors is to place points on a regular grid.
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WIREs Computational Statistics, 2009
AbstractFractional factorial designs are among the most important statistical contributions to the efficient exploration of the effects of several controllable factors on a response of interest. Fractional factorials are widely used in experiments in fields as diverse as agriculture, industry, and medical research.
Richard F. Gunst, Robert L. Mason
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AbstractFractional factorial designs are among the most important statistical contributions to the efficient exploration of the effects of several controllable factors on a response of interest. Fractional factorials are widely used in experiments in fields as diverse as agriculture, industry, and medical research.
Richard F. Gunst, Robert L. Mason
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The Efficiencies of Fractional Factorial Designs [PDF]
Technometrics, 2005 A frequently stated advantage of fractional-factorial (FF) designs over one-factor-at-a-time (1FAT) designs is their high relative efficiency. We study k-factor, 2k-run designs, where k is a power of 2 or is divisible by 4, for which the usually stated relative efficiency is k in favor of the resolution IV FF design over an orthogonal 1FAT design.
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Langmuir, 2017
Since the development of simple, aqueous protocols for the synthesis of anisotropic metal nanoparticles, research into many promising, valuable applications of gold nanorods has grown considerably, but a number of challenges remain, including gold ...
N. D. Burrows +3 more
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Since the development of simple, aqueous protocols for the synthesis of anisotropic metal nanoparticles, research into many promising, valuable applications of gold nanorods has grown considerably, but a number of challenges remain, including gold ...
N. D. Burrows +3 more
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Tripling of fractional factorial designs
Journal of Statistical Planning and Inference, 2019Abstract Doubling and level permutation of factors are widely used in the construction of uniform designs and minimum aberration designs. Based on the viewpoint that double design is the orthogonal combination of all possible level permutations of its initial two-level design, a method of tripling for three-level design, which triples both the run ...
Zujun Ou, Minghui Zhang, Hong Qin
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Fractional factorial designs for legal psychology
Behavioral Sciences & the Law, 2002AbstractResearchers considering novel or exploratory psycholegal research are often able to easily generate a sizable list of independent variables (IVs) that might influence a measure of interest. Where the research question is novel and the literature is not developed, however, choosing from among a long list of potential variables those worthy of ...
Dennis P. Stolle +3 more
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Algebraic Generation of Orthogonal Fractional Factorial Designs [PDF]
, 2013 The joint use of counting functions, Hilbert basis, and Markov basis allows to define a procedure to generate all the fractional factorial designs that satisfy a given set of constraints in terms of orthogonality [Fontana, Pistone and Rogantin (JSPI, 2000), Pistone and Rogantin (JSPI, 2008)]. The general case of mixed level designs without restrictions
FONTANA, ROBERTO, PISTONE, Giovanni
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Minimising drag coefficient of a hatchback car utilising fractional factorial design algorithm
European Journal of Computational Mechanics, 2018Aerodynamic force is known as one of the most important attributes, which has significant weight on fuel consumption and vehicle performance. In this paper, minimising drag coefficient is performed considering modification of rear end factors.
M. Vahdati, S. Beigmoradi, A. Batooei
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2003
Publisher Summary Experimenters utilize fractional factorial designs to study the most important factors or process/design parameters that influence critical quality characteristics. Fractional factorial experiments are used for pilot studies and screening experiments where the goal is to gain the maximum information about a process in a limited ...
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Publisher Summary Experimenters utilize fractional factorial designs to study the most important factors or process/design parameters that influence critical quality characteristics. Fractional factorial experiments are used for pilot studies and screening experiments where the goal is to gain the maximum information about a process in a limited ...
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Partially replicated fractional factorial designs
Metrika, 2009In this paper we consider screening experiments where m factors are to be studied using n experimental runs and where m is relatively large compared to n. In such experimental settings unreplicated fractional factorial (FF) designs are often used. Unreplicated FF designs have received a good deal of study over the past 15 years because they present ...
Nairanjana Dasgupta +2 more
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