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Published in 2022 at "Statistics in Medicine"
DOI: 10.1002/sim.9513
Abstract: Medical breakthroughs in recent years have led to cures for many diseases. The mixture cure model (MCM) is a type of survival model that is often used when a cured fraction exists. Many have sought…
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Keywords:
mixture cure;
cure;
high dimensional;
variable selection ... See more keywords
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Published in 2018 at "Structural Safety"
DOI: 10.1016/j.strusafe.2018.02.002
Abstract: Abstract Strength data from macroscopically identical glass specimens is commonly described by a two-parameter Weibull distribution, but there is lack of research on the methods used for fitting strength data to the Weibull distribution. This…
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Keywords:
strength;
glass strength;
strength data;
goodness fit ... See more keywords
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Published in 2017 at "Journal of Statistical Theory and Practice"
DOI: 10.1080/15598608.2017.1292483
Abstract: Recently, a proposal for simulating correlated discrete Weibull variables has been suggested, based on the Gaussian copula. Although the procedure is straightforward and allows the user to directly assign the desired pairwise correlations between the…
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Keywords:
weibull;
estimating multivariate;
model discrete;
multivariate model ... See more keywords
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Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3219426
Abstract: The two reliability models most widely used in engineering applications are the exponential and the Weibull. Both models are deficient because their failure rates do not conform to the bathtub curve nor specify the infant…
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Keywords:
bathtub curve;
exponential weibull;
reliability models;
model ... See more keywords
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Published in 2020 at "Mathematical Problems in Engineering"
DOI: 10.1155/2020/3206257
Abstract: Many studies have suggested the modifications and generalizations of the Weibull distribution to model the nonmonotone hazards. In this paper, we combine the logarithms of two cumulative hazard rate functions and propose a new modified…
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Keywords:
new flexible;
weibull;
model;
distribution ... See more keywords
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Published in 2022 at "PLoS ONE"
DOI: 10.1371/journal.pone.0263673
Abstract: Data analysis in real life often relies mainly on statistical probability distributions. However, data arising from different fields such as environmental, financial, biomedical sciences and other areas may not fit the classical distributions. Therefore, the…
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Keywords:
family distributions;
family;
proposed family;
olkin transformation ... See more keywords
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Published in 2022 at "Symmetry"
DOI: 10.3390/sym14020299
Abstract: Although there are many continuous distributions in the literature, only a handful take advantage of the modeling power provided by trigonometric functions. To our knowledge, none of them are based on the so-called secant function,…
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Keywords:
kumaraswamy weibull;
function;
class;
sec class ... See more keywords
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Published in 2023 at "Symmetry"
DOI: 10.3390/sym15020560
Abstract: In this article, we present a new statistical modification of the Weibull model for updating the flexibility, called the generalized Weibull-Weibull distribution. The new modification of the Weibull model is defined and studied in detail.…
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Keywords:
applications actuarial;
weibull model;
maximum likelihood;
model ... See more keywords