Results 21 to 30 of about 166 (69)

Uniform fractional factorial designs

open access: yes, 2012
The minimum aberration criterion has been frequently used in the selection of fractional factorial designs with nominal factors. For designs with quantitative factors, however, level permutation of factors could alter their geometrical structures and ...
Lin, Dennis K. J.   +2 more
core   +1 more source

Invariance of generalized wordlength patterns

open access: yes, 2008
The generalized wordlength pattern (GWLP) introduced by Xu and Wu (2001) for an arbitrary fractional factorial design allows one to extend the use of the minimum aberration criterion to such designs. Ai and Zhang (2004) defined the $J$-characteristics of
Beder, Jay H., Willenbring, Jeb F.
core   +2 more sources

Measuring preferences: From conjoint analysis to integrated conjoint experiments [PDF]

open access: yes, 2010
When there are many attributes, experiments with Conjoint Analysis include problems of information overload that affect the validity of such experiments. The impact of these problems can be avoided or reduced by using Hierarchical Information Integration
Ramírez-Hurtado, José Manuel
core   +1 more source

On construction of optimal mixed-level supersaturated designs

open access: yes, 2011
Supersaturated design (SSD) has received much recent interest because of its potential in factor screening experiments. In this paper, we provide equivalent conditions for two columns to be fully aliased and consequently propose methods for constructing $
Lin, Dennis K. J.   +2 more
core   +1 more source

Inducing pivot variables and non-centrality parameters in elliptical distributions [PDF]

open access: yes, 2013
We used inducing pivot variables to derive confidence intervals for the non-centrality parameters of samples with elliptical errors.
Ferreira, Dário   +3 more
core   +1 more source

Confidence regions for variance components using inducing pivot variables [PDF]

open access: yes, 2012
The goal of this paper is to present what we think to be an interesting development of the concept of pivot variable. The inducing pivot variables induce probability measures which may be used to carry out inference. As illustration of this approach we
Ferreira, Dário   +2 more
core   +1 more source

Quarter-fraction factorial designs constructed via quaternary codes

open access: yes, 2009
The research of developing a general methodology for the construction of good nonregular designs has been very active in the last decade. Recent research by Xu and Wong [Statist.
Phoa, Frederick K. H., Xu, Hongquan
core   +2 more sources

Construction of nested space-filling designs

open access: yes, 2009
New types of designs called nested space-filling designs have been proposed for conducting multiple computer experiments with different levels of accuracy. In this article, we develop several approaches to constructing such designs.
Ai, Mingyao   +2 more
core   +1 more source

Exploring Bayesian models to evaluate control procedures for plant disease [PDF]

open access: yes, 2016
Tigernut tubers are the main ingredient in the production of orxata in Valencia, a white soft sweet popular drink. In recent years, the appearance of black spots in the skin of tigernuts has led to important economic losses in orxata production because ...
Alvares, Danilo   +3 more
core   +5 more sources

Necessary and Sufficient Conditions for Three and Four Variable Orthogonal Designs in Order 36 [PDF]

open access: yes, 2002
We use a new algorithm to find new sets of sequences with entries from {0, ±a, ±b, ±c, ±d}, on the commuting variables a, b, c, d, with zero autocorrelation function.
Georgiou, S.   +3 more
core   +2 more sources

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