Failure-Time
Power-Law Adjusted Failure-Time Models
... expression for the resulting power-law modified density. However it turns out to be possible to do so for a number of the more common failure-time distributions including the lognormal (Reed, 2011), ...
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Prediction of time to reflux using accelerated failure time model of Weibull distribution in children with antenatal hydronephrosis
... of time from a certain time until occurrence of the event or events (7) and it is common to have incomplete event time ...accelerated failure time (AFT) model ...accelerated ...
5
Time-dependent Predictive Values of Prognostic Biomarkers with Failure Time Outcome.
... In a prospective cohort study, information on clinical parameters, tests and molec- ular markers is often collected. Such information is useful to predict patient prognosis and to select patients for targeted therapy. We ...
20
Failure time regression with continuous informative auxiliary covariates
... variate. Note that this estimation method uses only the complete observations in V and neglects the important information on incomplete observations in V ¯ . It follows that this approach cannot be expected to be ...
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Regulatory Failure: Time for a New Policy Paradigm
... However, the same cannot be said of the long distance segment. Here the conditions, which prompted the entry of MCI and others, were due to an arcane mechanism used to determine telephone industry "costs". The ...
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Estimation of auc for constant shape bi-weibull failure time distribution
... In this paper, the Bayesian Estimation of AUC under the Constant Shape Bi-Weibull Distribution is studied by Using Extension of Jeffreys’ Prior Information with Three Loss Functions. This paper is organized as follows: ...
10
Bayes linear kinematics in the analysis of failure rates and failure time distributions
... The compressors are identically designed and are all oriented the same way. Suppose that, a priori, there is no reason to believe any leg of any compressor would be more prone to failures than any other. Thus the ...
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Comprehensive data collection for root cause failure analysis in oil and gas industries
... involved failure reporting and investigation regarding incident which includes details of failure time, place, nature of failure and failure impacts on organization, second phase of ...
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Profit Analysis of a System of Non identical Units with Degradation and Replacement
... upon failure while the duplicate unit is replaced by similar new ...its failure to see the feasibility of ...negligible time. The failure time of the units are exponentially distributed ...
7
Parameter Estimations and Optimal Design of Simple Step-Stress Model for Gamma Dual Weibull Distribution
... the failure times have exponential distribution while the specification of strict compliance to the transformation function of time is not ...the failure time distribution for the SSt and ...
12
Online Full Text
... the failure time of the unit to be purchased (with less interest in distribution of the population of units purchased by other consumers); 2) Financial managers in manufacturing companies need upper ...
7
Multilevel modeling of clustered grouped survival data of dental implant failures; a Bayesian approach
... Background & Aim: In clinical dental studies, each participant has usually several visits, and since the review and ongoing monitoring of the subjects are often expensive or even impossible, so people are examined ...
6
Efficiency analysis and improvement of the canning line at Grolsch
... 80 9. Pasteurizer: Pasteurization ensures that all harmful microorganisms are killed. The beer has a longer expiration date after being pasteurized. The cans will travel through the pasteurizer for approximately 40 ...
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Modeling Finite-Time Failure Probabilities in Risk Analysis Applications
... and time instants they are withdrawn from inventory and the replenishment process which specifies the amounts of units and instants at which they are replenished to ...fixed time interval, is kept ...
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Analysis of Influencing Factors on Survival Time of Patients with Heart Failure
... survival time of patients with heart fail- ure, a total of 1789 patients with heart failure were collected from Shanghai Shuguang ...survival time of ...survival time of ...vival time ...
9
Duration of Pertussis Immunity After DTaP Immunization: A Meta-analysis
... In summary, we performed a systematic literature review to understand the relationship between the risk of pertussis and time since pertussis vaccination. We found evidence of waning immunity and estimated that ...
15
To Investigate Sensitivity Behavior of Reliability Indices Simultaneously for Development Planning
... Another activity which leads to reduction in failure rate and customers' outage time of distribution system is repairing and maintenance. In this regard, reference [13] optimizes repairing and maintenance ...
15
The orientability of spacetime
... It is not possible to define a spinor field on a non-time orientable spacetime [8]. Since fermions exist, this well-known result has been cited as evidence that time must be orientable. However the argument ...
10
Expression of Maintenance Down Time as a function of the management mode of the failure.
... Administrative time (9): it includes the organization put in place by the user of the system; generally, it includes establishing reports which will affect; the length of time for which the system is down, ...
11
On constant-time QC-MDPC decoding with negligible failure rate
... – The analysis in Section 7 identifies a gap that needs to be addressed in order to claim IND-CCA security for BIKE. It relates to the difference between average DFR and the δ-correctness definition [10]. A DFR of (at ...
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