Search Results - "Karamikabir, Hamid"

GENERALIZED BAYES SURE FOR MULTIVARIATE NORMAL DISTRIBUTION UNDER BALANCED-QUADRATIC LOSS by Karamikabir, Hamid, Afshari, Mahmoud, Karamikabir, Nasrin, Kiaei, Seyed Faridoddin

“…One of the most important subjects in statistics is the theory of estimation. In this paper, we consider the generalized Bayes shrinkage estimator of the mean…”
Get full text

Shrinkage estimation of non-negative mean vector with unknown covariance under balance loss by Karamikabir, Hamid, Afshari, Mahmoud, Arashi, Mohammad

“…Parameter estimation in multivariate analysis is important, particularly when parameter space is restricted. Among different methods, the shrinkage estimation…”
Get full text

The Odd Log-Logistic Burr-X Family of Distributions: Properties and Applications by Karamikabir, Hamid, Afshari, Mahmoud, Alizadeh, Morad, Yousof, Haitham M.

“…In this paper, a new class of distributions called the odd log-logistic Burr-X family with two extra positive parameters is introduced and studied. The new…”
Get full text

Wavelet Shrinkage Estimation for Mean Matrix of Matrix-Variate Elliptically Contoured Distributions by Karamikabir, Hamid

“…Finding the appropriate threshold is one of the most important issues in the wavelet shrinkage method. Especially when the goal is to estimate the mean matrix…”
Get full text

NEW WAVELET SURE THRESHOLDS OF ELLIPTICAL DISTRIBUTIONS UNDER THE BALANCE LOSS by Karamikabir, Hamid, Afshari, Mahmoud

“…In this paper, we introduce a new shrinkage soft-wavelet threshold estimator based on Stein’s unbiased risk estimate (SURE) for elliptical and spherical…”
Get full text

Two new Bayesian-wavelet thresholds estimations of elliptical distribution parameters under non-linear exponential balanced loss by Batvandi, Ziba, Afshari, Mahmoud, Karamikabir, Hamid

Get full text

Soft thresholding wavelet shrinkage estimation for mean matrix of matrix-variate normal distribution: low and high dimensional by Karamikabir, Hamid, Asghari, Ahmad Navid, Salimi, AbdolAziz

“…One of the most important issues in matrix-variate normal distribution is the mean matrix parameter estimation problem. In this paper, we introduce a new…”
Get full text

Wavelet Threshold Estimator of Semiparametric Regression Function with Correlated Errors by Mahmoud Afshari, Abouza Bazyari, Hamid Karamikabir

“…Wavelet analysis is one of the useful techniques in mathematics which is used much in statistics science recently. In this paper, in addition to introduce the…”
Get full text

Bayesian Wavelet Stein’s Unbiased Risk Estimation of Multivariate Normal Distribution Under Reflected Normal Loss: Bayesian Wavelet Stein’s Unbiased Risk Estimation by Karamikabir, Hamid, Karamikabir, Nasrin, Khajeian, Mohammad Ali, Afshari, Mahmoud

“…In this paper, we consider the generalized Bayes estimator of mean vector parameter for multivariate normal distribution with unknown mean vector and…”
Get full text

Bayesian Wavelet Stein’s Unbiased Risk Estimation of Multivariate Normal Distribution Under Reflected Normal Loss by Karamikabir, Hamid, Karamikabir, Nasrin, Khajeian, Mohammad Ali, Afshari, Mahmoud

“…In this paper, we consider the generalized Bayes estimator of mean vector parameter for multivariate normal distribution with unknown mean vector and…”
Get full text

A new extended generalized Gompertz distribution with statistical properties and simulations by Karamikabir, Hamid, Afshari, Mahmoud, Alizadeh, Morad, Hamedani, G. G

“…Statistical distributions are very useful in describing and predicting real world phenomena. In many applied areas there is a clear need for the extended forms…”
Get full text

Wavelet Shrinkage Generalized Bayes Estimation for Multivariate Normal Distribution Mean Vectors with unknown Covariance Matrix under Balanced-LINEX Loss by Afshari, Mahmoud, Karamikabira, Hamid

“…In this paper, the generalized Bayes estimator of mean vector parameter for multivariate normal distribution with Unknown mean vector and covariance matrix is…”
Get full text