Analysis of frequency data: The ANOFA framework [PDF]
Analyses of frequencies are commonly done using a chi-square test. This test, derived from a normal approximation, is deemed generally efficient (controlling type-I error rates fairly well and having good statistical power).
Laurencelle, Louis, Cousineau, Denis
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Factorial design and statistical analysis of smectite clay treatment by hydrocyclone [PDF]
Abstract Bentonite clays are materials composed by one or more smectite clay minerals and some accessory minerals, mainly quartz, cristobalite, mica, feldspars and other clay minerals such as kaolinite. These contaminants present in clays have a large distribution of particle sizes which severely restrict their industrial applications, with the use of ...
Gama, A. J. A. +5 more
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NRC Designs—New Tools for Successful Agricultural Experiments
In a nested row–column design (NRC), the experimental units in each of n blocks are grouped into n1 rows and n2 columns. Due to its structure, this experimental design allows full control of the experimental material and a relatively simple feedback loop
Agnieszka Łacka
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Nested row-column designs for near-factorial experiments with two treatment factors and one control treatment [PDF]
The authors also thank Queen Mary, University of London, the University of St Andrews and the Poznan University of Life Sciences for financial support. The second author was also supported by the British-Polish Young Scientists Programme, grant WAR/342 ...
Bailey, Rosemary Anne +3 more
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D-Optimal Designs for Binary and Weighted Linear Regression Models: One Design Variable
D-optimality is a well-known concept in experimental design that seeks to select an optimal set of design points to estimate the unknown parameters of a statistical model with a minimum variance.
Necla Gündüz, Bernard Torsney
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Design and Analysis of Fractional Factorial Experiments From the Viewpoint of Computational Algebraic Statistics [PDF]
We give an expository review of applications of computational algebraic statistics to design and analysis of fractional factorial experiments based on our recent works. For the purpose of design, the techniques of Gröbner bases and indicator functions allow us to treat fractional factorial designs without distinction between regular designs and non ...
Aoki, Satoshi, Takemura, Akimichi
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Improvement of lipase production from Geotrichum sp. in shaken flasks [PDF]
This work is focused on the study of different variables on inoculum build-up aiming to improve the lipase production by Geotrichum sp. by means a sequential strategy of experimental design.
Maldonadoa Resende Rafael +5 more
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Amylase (EC 3.2.1.1) enzyme has gained tremendous demand in various industries, including wastewater treatment, bioremediation and nano-biotechnology. This compels the availability of enzyme in greater yields that can be achieved by employing potential ...
J. N. Bandal +6 more
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Statistical Optimization of Urinary Organic Acids Analysis by a Multi-Factorial Design of Experiment [PDF]
The analysis of urinary organic acids is useful for patients suspected to have inborn errors of metabolism known as organic acidurias. These diseases cause an accumulation of organic acids in body fluids and their abnormal excretion in urines. By means of chemometrics tools, such as principal component analysis and multiple linear regression, it was ...
Pazzi, Marco +5 more
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Advances in Breeding for Mixed Cropping – Incomplete Factorials and the Producer/Associate Concept
Mixed cropping has been suggested as a resource-efficient approach to meet high produce demands while maintaining biodiversity and minimizing environmental impact.
Benedikt Haug +9 more
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