Goodness-of-Fit Tests for the Power-Generalized Weibull Probability Distribution |
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Authors: | Vassilly Voinov Natalya Pya Niyaz Shapakov Yevgeniy Voinov |
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Affiliation: | 1. Kazakhstan Institute of Management , Economics and Strategic Research , Almaty , Kazakhstan;2. Institute for Mathematics of the Ministry of Education and Sciences of the Republic of Kazakhstan , Almaty , Kazakhstan;3. KPMG Tax and Advisory , Atyrau , Kazakhstan;4. Institute for Mathematics of the Ministry of Education and Sciences of the Republic of Kazakhstan , Almaty , Kazakhstan |
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Abstract: | The power-generalized Weibull probability distribution is very often used in survival analysis mainly because different values of its parameters allow for various shapes of hazard rate such as monotone increasing/decreasing, ∩-shaped, ∪-shaped, or constant. Modified chi-squared tests based on maximum likelihood estimators of parameters that are shown to be | |
Keywords: | Accelerated life testing Modified chi-squared goodness-of-fit tests Power-generalized Weibull distribution Survival analysis |
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