[ABE-L] Seminário do PIPGES UFSCar/USP

[Ricardo Sandes Ehlers]

Caros redistas,

O próximo seminário conjunto UFSCar/USP será 06/04/2018 (sexta-feira) às
14h00. Sala 43 do DEs-UFSCar.

PALESTRANTE: Fernando A. Moala, FCT-UNESP,

TÍTULO: Bayesian inference for the multiple step-stress accelerated test
under censored data

RESUMO: This work presents the multiple step-stress accelerated life test
for the cumulative exposure model using complete and censored data. As
summing that the lifetimes of test item follow the Weibull or gamma
distributions, the maximum likelihood estimation and Bayesian approaches
are used to estimate the distribution parameters. Some objective and
subjective priors are investigated and compared under symmetric and
asymmetric loss functions such as squared, linex and general entropy loss
functions. It is considered Type II censoring scheme and progressive
type-II censoring with random removals. A sensitivity analysis of these
Bayesian and maximum likelihood estimators are also presented by simulation
Monte Carlo study, and a data set is analyzed for illustrative purposes.

Saudações,

Ricardo
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