Comparing Between Shrinkage &Maximum likelihood Method For Estimation Parameters &Reliability Function With 3- Parameter Weibull Distribution By Using Simulation
DOI:
https://doi.org/10.33095/jeas.v19i73.996Keywords:
توزيع ويبل ذو ثلاث معلمات- طريقة الإمكان الأعظم- طريقة التقلص ., 3-parameter weibull distribution, Maximum Likelihood method, Shrinkage method.Abstract
The 3-parameter Weibull distribution is used as a model for failure since this distribution is proper when the failure rate somewhat high in starting operation and these rates will be decreased with increasing time .
In practical side a comparison was made between (Shrinkage and Maximum likelihood) Estimators for parameter and reliability function using simulation , we conclude that the Shrinkage estimators for parameters are better than maximum likelihood estimators but the maximum likelihood estimator for reliability function is the better using statistical measures (MAPE)and (MSE) and for different sample sizes.
Note:- ns : small sample ; nm=median sample ; nl=large sample.
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