Testing significance of random effects for the gamma degradation model

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DOI Доступ к ресурсу на сайте издателя			10.17223/19988605/49/11

Title: Testing significance of random effects for the gamma degradation model
Title: Проверка значимости случайного эффекта для деградационной гамма-модели
Creator: Chetvertakova, Evgeniia Sergeevna
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Chimitova, Ekaterina Vladimirovna
Date: 2019
DOI: 10.17223/19988605/49/11
Description: Gamma degradation models with fixed or random effects are widely used for reliability analysis. In this paper, the problem of testing significance of random effects for the gamma degradation model is considered. We propose two statistical tests which enable to reveal the existence of random effects in degradation data corresponding to the gamma degradation model. The first test is the well known likelihood ratio test and the second one is based on the variance estimate of the random parameter of the “random-effect” gamma degradation model. These tests have been compared in terms of power with Monte-Carlo simulation method. Moreover, the example of GaAs lasers degradation analysis has been considered.

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collection(s): Журналы ТГУ
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Вестник Томского государственного университета. Управление, вычислительная техника и информатика. 2019. № 49. С. 92-100
Language: eng

Created: 19-12-2019

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Журналы ТГУ Testing significance of random effects for the gamma degradation model