Weibull time to failure distribution
Estimation of auc for constant shape bi-weibull failure time distribution
... The Receiver Operating Characteristic (ROC) curve is commonly used for evaluating the discriminatory ability of a biomarker. The conventional ways expressing the true accuracy of the test is by using its summary measure ...
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Prediction of time to reflux using accelerated failure time model of Weibull distribution in children with antenatal hydronephrosis
... proportional hazard model we found that the parameter estimates (hazard ratio) were almost similar between the two methods (analysis available on request). The method of AFT model was used to be consistent with the work ...
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Failure Rate Analysis of Shovel and Dumper in Opencast Limestone Mine using RWB and ANN
... historical failure data such as time between failure (TBF) and failure frequency of a shovel and dumper were collected from the ...and failure frequency, Weibull parameters ...A ...
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Transmuted Modified Weibull Distribution: A Generalization of the Modified Weibull Probability Distribution
... modified Weibull distribution as an important compet- itive model which contains eleven life time distributions as special ...modified Weibull distribution using the quadratic rank ...
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Idealized models of the joint probability distribution of wind speeds
... the Weibull and Rice distributions ...the Weibull distribution as a model for the joint distribution is rejected (p < ...bivariate Weibull distri- bution is most robust for lags ...
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Weibull Statistics for Evaluating Failure Behaviors and Joining Reliability of Friction Stir Spot Welded 5052 Aluminum Alloy
... average failure load of ...smaller Weibull modulus. In addition, the significant variation in the Weibull modulus for ...similar failure load data fluctua- tion, can reflect the difference in the ...
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Bayes estimation for the parameters of the Weibull-Geometric distribution based on progressive first failure censored data
... with distribution function 1 − (1 − F(x)) k ...first- failure censored order statistics ...test time, in which more items are used, but only m of n × k items are ...
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Model about environment influence to equipment failure based on weibull distribution
... These failure is rarely happen in usually time ...equipment failure is a significant ...equipment failure caused by environment factor ...
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Modified Progressive Type-II Censoring Procedure in Life-Testing under the Weibull Model
... second failure, instantaneously after the second failure, the ( m − 1) machines which are in the subset to which the second failed machine belongs are ...second failure, we are left with ( u − 2) ...
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On Transmuted Flexible Weibull Extension Distribution with Applications to Different Lifetime Data Sets
... Pareto, Weibull, Lognormal and Gamma distributions etc. the Weibull dis- tribution holds a key position and offers a wide range of applications in reliability and biological ...The Weibull model was ...
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Optimizing the Cost of Integrated Model for Fuzzy Failure Weibull Distribution Using Genetic Algorithm
... (PM) time in a production system with an increasing failure ...to failure of the equipment ...in-control time follows a probability distribution with increased hazard ...
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On the Alpha Power Inverse Weibull Distribution
... of time without failure in fixed environments with required ...linear failure rate, Weibull and inverse Weibull are the most common life distribution in reliability and life ...
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Application of the Weibull Accelerated Failure Time Model in the Determination of Disease-Free Survival Rate of Patients with Breast Cancer
... known distribution Weibull. One of the properties of Weibull model is determined that if the accelerated failure time assumption (AFT) holds then the proportional hazards (PH) ...
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The Kumaraswamy–Inverse Weibull Distribution
... of Weibull distribution in ...Kumaraswamy–Inverse Weibull (Kum–IW for short) distribution by using the CDF of Inverse Weibull distribution in ...
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The New Weibull-Pareto Distribution
... The maximum likelihood estimators (𝛿̂, 𝛽̂, 𝜃̂) 𝑇 are obtained by equating (15) to zero and solving for the non-linear system of equations iteratively. In order to compute the standard errors and asymptotic confidence ...
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A CLASS OF WEIGHTED WEIBULL DISTRIBUTION
... generalized Weibull distribution for modeling of survival time ...proposed distribution again provides several standard distributions as special ...exponential distribution by using the ...
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Parameter Estimations for Some Modifications of the Weibull Distribution
... ) distribution generalizes the following distributions: 1) exponential distribution ED ( ) α by setting θ = 1 , λ = 1 , 2) Rayleigh distribution RD ( ) α by setting θ = 2 , λ = 1 , 3) generalized ...
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The New Extended Flexible Weibull Distribution and Its Applications
... lifetime distribution. The new distribution is introduced by mixing up a linear system of the two logarithms of cumulative hazard ...flexible Weibull distribution and is able to model lifetime ...
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Weibull Inverse Lomax Distribution
... IL distribution to get Lorenz ordering relationship among ordered ...IL distribution has been applied on geophysical ...IL distribution based on hybrid censored ...IL distribution under Type ...
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The McDonald’s Inverse Weibull Distribution
... The distribution function of Beta random variable; given in (2) has played very key role in generalizing the probability ...parent distribution having cdf G x as: ...
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