نتایج جستجو برای: empirical bayes

تعداد نتایج: 220873  

Journal: :Journal of the American Statistical Association 2022

In an empirical Bayes analysis, we use data from repeated sampling to imitate inferences made by oracle Bayesian with extensive knowledge of the data-generating distribution. Existing results provide a comprehensive characterization when and why point estimates accurately recover behavior. this paper, develop flexible practical confidence intervals that asymptotic frequentist coverage estimands...

2007
James Berger L. Mark Berliner

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Journal: :CoRR 2014
Yanting Ma Jin Tan Nikhil Krishnan Dror Baron

We consider signals that follow a parametric distribution where the parameter values are unknown. To estimate such signals from noisy measurements in scalar channels, we study the empirical performance of an empirical Bayes (EB) approach and a full Bayes (FB) approach. We then apply EB and FB to solve compressed sensing (CS) signal estimation problems by successively denoising a scalar Gaussian...

1997
Cun-Hui Zhang Herbert Robbins CUN-HUI ZHANG

This article concerns the canonical empirical Bayes problem of estimating normal means under squared-error loss. General empirical estimators are derived which are asymptotically minimax and optimal. Uniform convergence and the speed of convergence are considered. The general empirical Bayes estimators are compared with the shrinkage estimators of Stein (1956) and James and Stein (1961). Estima...

1997
B EDWARD I. GEORGE DEAN P. FOSTER

For the problem of variable selection for the normal linear model, selection criteria such as , C p ,  and  have fixed dimensionality penalties. Such criteria are shown to correspond to selection of maximum posterior models under implicit hyperparameter choices for a particular hierarchical Bayes formulation. Based on this calibration, we propose empirical Bayes selection criteria that...

Journal: :Epidemiologia e prevenzione 2008
Marine Corbin Milena Maule Lorenzo Richiardi Lorenzo Simonato Franco Merletti Neil Pearce

Epidemiological studies often involve multiple comparisons, and may therefore report many "false positive" statistically significant findings simply because of the large number of statistical tests involved. Traditional methods ofadjustment for multiple comparisons, such as the Bonferroni method, may induce investigators to ignore potentially important findings, because they do not take account...

Journal: :Statistics and Computing 1997
Bradley P. Carlin Thomas A. Louis

علوی مجد, حمید, محرابی, یداله, مراغی, الهام, مطلق, محمد اسماعیل,

Background and objective: Disease or mortality mapping are statistical methods aimed at providing precise estimates of rates across geographical maps. The aim of this research is to improve the precision of relative risk (RR) estimates of infant mortality (IM) for different rural areas, using empirical and full Bayesian methods. Methods: Infant mortality data were extracted from the vital ...

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