نتایج جستجو برای: linex loss function

تعداد نتایج: 1561986  

This paper address the problem of Bayesian estimation of the parameters, reliability and hazard function in the context of record statistics values from the two-parameter Lomax distribution. The ML and the Bayes estimates based on records are derived for the two unknown parameters and the survival time parameters, reliability and hazard functions. The Bayes estimates are obtained based on conju...

In this paper, we discuss the statistical inference on the unknown parameters and reliability function of type-II extreme value (EVII) distribution when the observed data are progressively type-II censored. By applying EM algorithm, we obtain maximum likelihood estimates (MLEs). We also suggest approximate maximum likelihood estimators (AMLEs), which have explicit expressions. We provide Bayes ...

2015
Rodrigo de Sá Marcelo S. Portugal

a r t i c l e i n f o Whether central banks place the same weights on positive and negative deviations of inflation and of the output gap from their respective targets is an interesting question regarding monetary policy. The literature has sought to address this issue using a specific asymmetric function, the so-called Linex loss function. However, is the Linex an actually asymmetric specifica...

2017
Isha Gupta

In this paper, Bayesian and E – Bayesian method of estimation are proposed for estimating the parameter of Rayleigh distribution. The Bayes estimate of the parameter is derived under the assumption that the prior distribution is informative i.e. gamma prior using Linex loss function. Further, comparison between the E-Bayes estimators with the associated Bayes estimators have been carried out th...

2013
A. Sadek N. Balakrishnan

In this paper, we use the Linex loss function to derive the Bayesian estimate of the parameter of the exponential distribution based on ranked set sampling (RSS). Under this setup, we use both conjugate and Jeffreys prior distributions. To assess the efficiency of the obtained estimates, we compute the bias and mean squared error of the derived estimates and compare them with those based on the...

Journal: :Revista Colombiana de Estadistica 2022

In this paper, the generalized Bayes estimator of mean vector parameter for multivariate normal distribution with Unknown and covariance matrix is considered. This estimation performed under balanced-LINEX error loss function. The by using wavelet transformation investigated. We also prove admissibility minimaxity shrinkage we present simulation study real data set test validity new estimator.

2010
Yafeng Xia Hongyang Sun Y. Xia H. Sun

In this paper, using empirical Bayes (EB) approach, we construct Bayes estimator and empirical Bayes estimator for the subordinate function of parameter of the Pareto distribution families under the condition that the present sample and the past samples are randomly censored from the right by another variable with an unknown distribution, and discusses Bayes estimate and experience Bayes estima...

Journal: :Journal of the Indian Society for Probability and Statistics 2022

In this paper, by considering an $$M|M|1|\infty$$ queueing model, Bayes estimators of traffic intensity and system performance measures are discussed under (i) squared error loss function (SELF) (ii) entropy (ELF) (iii) LINEX with Beta prior. Further, minimum posterior risk associated obtained SELF. The the model compared Uniformly Minimum Variance Unbiased Estimators (UMVUEs) through simulation.

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