Results 11 to 20 of about 680,741 (224)

Design and analysis of fractional factorial experiments from the viewpoint of computational algebraic statistics [PDF]

open access: yesJournal of Statistical Theory and Practice, Vol. 6 (2012), No. 1, 147--161,, 2010
We give an expository review of applications of computational algebraic statistics to design and analysis of fractional factorial experiments based on our recent works.
Adams W. W.   +19 more
core   +3 more sources

Indicator function and complex coding for mixed fractional factorial designs [PDF]

open access: yesarXiv, 2007
In a general fractional factorial design, the $n$-levels of a factor are coded by the $n$-th roots of the unity. This device allows a full generalization to mixed-level designs of the theory of the polynomial indicator function which has already been ...
Pistone, Giovanni, Rogantin, Maria Piera
core   +4 more sources

Two-by-Two Factorial Design [PDF]

open access: yesClinical Simulation in Nursing, 2020
•In simulation research, we are often interested in comparing the effects of more than one independent variable.•Factorial designs allow investigators to efficiently compare multiple independent variables (also known as factors).•An example and resources are described for using a two by two factorial design in simulation research.
Katie Haerling (Adamson), Susan Prion
openaire   +3 more sources

Uniform fractional factorial designs [PDF]

open access: yesThe Annals of Statistics, 2012
Published in at http://dx.doi.org/10.1214/12-AOS987 the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Tang, Yu   +2 more
openaire   +3 more sources

A Study For Efficiently Solving Optimisation Problems With An Increasing Number Of Design Variables [PDF]

open access: yes, 2007
Coupling optimisation algorithms to Finite Element Methods (FEM) is a very promising way to achieve optimal metal forming processes. However, many optimisation algorithms exist and it is not clear which of these algorithms to use. This paper investigates
Bonte, M.H.A.   +5 more
core   +2 more sources

Aplicação de planejamento fatorial a protocolo de extração e fixação de sulfetos volatilizáveis por acidificação (SVA) em amostras de sedimento Factorial design used on the extraction and fixation of acid volatile sulfides (AVS) from sediment samples

open access: yesQuímica Nova, 2009
The AVS is defined operationally as acid volatile sulfide, which is a controlling phase on the partition of some metallic species in sediments. A Factorial design was evaluated by means of 16 experiments and using four variables: temperature, extraction ...
Danielle Caroline Schnitzler   +2 more
doaj   +1 more source

Optimizing mating schemes in fish breeding [PDF]

open access: yes, 2007
The optimal contribution selection method and the simulated annealing algorithm were used to maximize the genetic gain and reduce inbreeding in fish breeding populations.
D'Agaro, E.   +3 more
core   +2 more sources

Influência do material e volume do porta-amostra na determinação termogravimétrica do teor de cinzas em mel Influence of material and volume of the sample holder on the thermogravimetric determination of ash contents in honey

open access: yesQuímica Nova, 2005
The results suggest that the two variables studied are significant and that they may be independently optimized. The material of the sample holder interferes with the incineration process only due to the amount of heat transfered.
Maria Lurdes Felsner   +4 more
doaj   +1 more source

Factorial design-assisted spectroscopic determination of oxybutynin hydrochloride

open access: yesRoyal Society Open Science, 2021
In this study, we have developed two facile spectroscopic methods for quantifying oxybutynin (OBT) hydrochloride in its pure form and tablets using design of experiments (DOEs). The spectroscopic methods depended on the ion-pair complex formation between
Eman Yosrey   +3 more
doaj   +1 more source

Experimental and Statistical Study of Surface Roughness in CNC Slot Milling of AL 7075 Alloy Using Full and Fractional Factorial Design

open access: yesTribology in Industry, 2022
This work deals with comparing the fractional and full factorial design of experiments on evaluating surface roughness characteristics during slot milling of Al 7075 alloy. Mean surface roughness (Ra) was selected as the response parameter.
Nikolaos Fountas   +4 more
doaj   +1 more source

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