Results 21 to 30 of about 2,268,235 (274)
Actigraph data are reliable, with functional reliability increasing with aggregation [PDF]
Behavior Research Methods, 2008 Motion sensor devices such as actigraphs are increasingly used in studies that seek to obtain an objective assessment of activity level. They have many advantages, and are useful additions to research in fields such as sleep assessment, drug efficacy, behavior genetics, and obesity. However, questions still remain over the reliability of data collected
Wood, A C +3 more
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Consecutive-k1 and k2-out-of-n: F Structures with a Single Change Point
Stats, 2023 In the present paper, we establish a new consecutive-type reliability model with a single change point. The proposed structure has two common failure criteria and consists of two different types of components.
Ioannis S. Triantafyllou +1 more
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Assessing the Reliability Function of Nanocomponents [PDF]
Journal of Applied Probability, 2011 A nanocomponent is a collection of atoms arranged to a specific design in order to achieve a desired function with an acceptable performance and reliability. The type of atoms, the manner in which they are arranged within the nanocomponent, and their interrelationship have a direct effect on the nanocomponent's reliability (survival) function.
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Mathematics, 2023 It often takes a lot of time to conduct life-testing studies on products or components. Units can be tested under more severe circumstances than usual, known as accelerated life tests, to reduce the testing period.
Mazen Nassar +2 more
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Vojnotehnički Glasnik, 2009 Kod motornih vozila se, kao posebno značajne promene stanja, posmatraju promene performansi vozila zavisno od njegove starosti, odnosno puta koje je prešlo.
Rade Guberinić, Ivan Milojević
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Mathematics, 2022 This work addresses the estimation issues of the XLindley distribution using an adaptive Type-II progressive hybrid censoring scheme. Maximum likelihood and Bayesian approaches are used to estimate the unknown parameter, reliability, and hazard rate ...
Refah Alotaibi +2 more
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Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2014 We have developed a method of probabilistic reliability evaluation of microheterogeneous thick-walled pipe, based on the already received solution of the stochastic creep boundary value problem.
Nikolay N Popov, Ludmila V Kovalenko
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Reliability of Portable Spirometry Performed in the Korea National Health and Nutrition Examination Survey Compared to Conventional Spirometry [PDF]
Tuberculosis and Respiratory Diseases, 2021 Background The Korea National Health and Nutrition Examination Survey (KNHANES) is a well-designed survey to collect national data, which many researchers have used for their studies. In KNHANES, although portable spirometry was used, its reliability has
Hye Jung Park +3 more
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Reliability of the Function in Sitting Test (FIST) [PDF]
Rehabilitation Research and Practice, 2014 The function in sitting test (FIST) is a newly developed, performance-based measure examining deficits in seated postural control. The FIST has been shown to be internally consistent and valid in persons with neurological dysfunction but intra- and interrater reliability and test-retest reliability have not been previously described.
Lise Ellen Mccarthy +2 more
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On Construction and Estimation of Mixture of Log-Bilal Distributions
Axioms, 2023 Recently, the use of mixed models for analyzing real data sets with infinite domains has gained favor. However, only a specific type of mixture model using mostly maximum likelihood estimation technique has been exercised in the literature, and fitting ...
Showkat Ahmad Lone +5 more
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