A statistical comparison of accelerated concrete testing methods.
Meyer, Denny (1997)
Journal of Applied Mathematics and Decision Sciences
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Meyer, Denny (1997)
Journal of Applied Mathematics and Decision Sciences
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Silvie Bělašková, Eva Fišerová, Sylvia Krupičková (2013)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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In most clinical studies, patients are observed for extended time periods to evaluate influences in treatment such as drug treatment, approaches to surgery, etc. The primary event in these studies is death, relapse, adverse drug reaction, or development of a new disease. The follow-up time may range from few weeks to many years. Although these studies are long term, the number of observed events is small. Longitudinal studies have increased the importance of statistical methods for time-to...
Gocheva-Ilieva, S.G., Iliev, I.P. (2010)
Mathematical Problems in Engineering
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Sparks, Ross (2004)
Journal of Applied Mathematics and Decision Sciences
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Tadeusz Bednarski, Filip Borowicz (2009)
Discussiones Mathematicae Probability and Statistics
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It is shown that a popular variable choice method of Hellwig, which is recommended in the Polish econometric textbooks does not enjoy a very basic consistency property. It means in particular that the method may lead to rejection of significant variables in econometric modeling. A simulation study and a real data analysis case are given to support theoretical results.
Steel, D.G., Tranmer, M., Holt, D. (2006)
Journal of Applied Mathematics and Decision Sciences
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Ittig, Peter T. (2004)
Journal of Applied Mathematics and Decision Sciences
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Horng-Jinh Chang, Feng-Jenq Lin (1995)
The Yugoslav Journal of Operations Research
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Brenton R. Clarke, Antony G. Monaco (2004)
Discussiones Mathematicae Probability and Statistics
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In analysing a well known data set from the literature which can be thought of as a two-way layout it transpires that a robust adaptive regression approach for identifying outliers fails to be sensitive enough to detect the possible interchange of two observations. On the other hand if one takes the classical approach of diagnostic checking one may also stop too early and be satisfied with a model that falls short of a more detailed analysis that takes account of heteroscedasticity in...
P. J. Harrison, Arnold Zellner (1980)
Trabajos de Estadística e Investigación Operativa
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Discussion on the papers by Brown, Philip J., Aspects of multivariate regression and by Dempster, Arthur P., Bayesian inference in applied statistics, both of them part of a round table on Regression and time series held in the First International Congress on Bayesian Methods (Valencia, Spain, 28 May - 2 June 1979).
Cécile Durot, Karelle Thiébot (2010)
ESAIM: Probability and Statistics
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To validate pollution data, subject-matter experts in Airpl (an organization that maintains a network of air pollution monitoring stations in western France) daily perform visual examinations of the data and check their consistency. In this paper, we describe these visual examinations and propose a formalization for this problem. The examinations consist in comparisons of so-called shorth intervals so we build a statistical test that compares such intervals in a nonparametric regression...
Ali, Rosihan M., Seth, Daniel L., Zainuddin, Zarita, Kassim, Suraiya, Sulaiman, Hajar, Haili, Hailiza Kamarul (2002)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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Ana Debón, Francisco Montes, Ramón Sala (2005)
SORT
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The parametric graduation of mortality data has as its objective the satisfactory estimation of the death rates based on mortality data but using an age-dependent function whose parameters are adjusted from the crude rates obtainable directly from the data. This paper proposes a revision of the most commonly used parametric models and compares the result obtained with each of them when they are applied to the mortality data for the Valencia Region. As a result of the comparison, we conclude...