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   Articles with "weibull" as a keyword



Controlled variable selection in Weibull mixture cure models for high‐dimensional data

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recommendations! 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… read more here.

Keywords: mixture cure; cure; high dimensional; variable selection ... See more keywords

Weibull parameter estimation and goodness-of-fit for glass strength data

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recommendations! 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… read more here.

Keywords: strength; glass strength; strength data; goodness fit ... See more keywords

Vertical extrapolation of Weibull parameters using PDF scaling and wind shear exponent

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recommendations! Published in 2025 at "Journal of Renewable and Sustainable Energy"

DOI: 10.1063/5.0248532

Abstract: This study presents a concise yet effective approach for vertically extrapolating Weibull parameters, using the power law approximation of the wind velocity profile, which describes the exponential increase in mean wind speed with height, as… read more here.

Keywords: weibull parameters; extrapolation; parameters using; weibull ... See more keywords
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Estimating a multivariate model with discrete Weibull margins

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recommendations! 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… read more here.

Keywords: weibull; estimating multivariate; model discrete; multivariate model ... See more keywords

An Alternative to the Exponential and Weibull Reliability Models

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recommendations! 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… read more here.

Keywords: bathtub curve; exponential weibull; reliability models; model ... See more keywords
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A New Flexible Bathtub-Shaped Modification of the Weibull Model: Properties and Applications

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recommendations! 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… read more here.

Keywords: new flexible; weibull; model; distribution ... See more keywords

A new generalized family of distributions based on combining Marshal-Olkin transformation with T-X family

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recommendations! 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… read more here.

Keywords: family distributions; family; proposed family; olkin transformation ... See more keywords

Sec-G Class of Distributions: Properties and Applications

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recommendations! 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,… read more here.

Keywords: kumaraswamy weibull; function; class; sec class ... See more keywords

On Statistical Modeling Using a New Version of the Flexible Weibull Model: Bayesian, Maximum Likelihood Estimates, and Distributional Properties with Applications in the Actuarial and Engineering Fields

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recommendations! 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.… read more here.

Keywords: applications actuarial; weibull model; maximum likelihood; model ... See more keywords

Symmetric and Asymmetric Expansion of the Weibull Distribution: Features and Applications to Complete, Upper Record, and Type-II Right-Censored Data

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recommendations! Published in 2025 at "Symmetry"

DOI: 10.3390/sym17010131

Abstract: This paper introduces a new continuous lifetime model called the Odd Flexible Weibull-Weibull (OFW-W) distribution, which features three parameters. The new model is capable of modeling both symmetric and asymmetric datasets, regardless of whether they… read more here.

Keywords: upper record; distribution features; weibull; model ... See more keywords