Results 21 to 30 of about 7,597,672 (301)

Bayesian analysis of series system with dependent causes of failure

open access: yesStatistical Theory and Related Fields, 2017
Most studies of series system assume the causes of failure are independent, which may not hold in practice. In this paper, dependent causes of failure are considered by using a Marshall–Olkin bivariate Weibull distribution.
Ancha Xu, Shirong Zhou
doaj   +1 more source

Reference-Driven Compressed Sensing MR Image Reconstruction Using Deep Convolutional Neural Networks without Pre-Training

open access: yesSensors, 2020
Deep learning has proven itself to be able to reduce the scanning time of Magnetic Resonance Imaging (MRI) and to improve the image reconstruction quality since it was introduced into Compressed Sensing MRI (CS-MRI).
Di Zhao, Feng Zhao, Yongjin Gan
doaj   +1 more source

Reference priors for non-Normal two-sample problems [PDF]

open access: yesTest, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Fernández, C., Steel, M.F.J.
openaire   +6 more sources

Smoother: a unified and modular framework for incorporating structural dependency in spatial omics data

open access: yesGenome Biology, 2023
Spatial omics technologies can help identify spatially organized biological processes, but existing computational approaches often overlook structural dependencies in the data.
Jiayu Su   +10 more
doaj   +1 more source

Reference priors for high energy physics [PDF]

open access: yesPhysical Review D, 2010
Bayesian inferences in high energy physics often use uniform prior distributions for parameters about which little or no information is available before data are collected. The resulting posterior distributions are therefore sensitive to the choice of parametrization for the problem and may even be improper if this choice is not carefully considered ...
Demortier, Luc   +2 more
openaire   +2 more sources

The formal definition of reference priors

open access: yesThe Annals of Statistics, 2009
Reference analysis produces objective Bayesian inference, in the sense that inferential statements depend only on the assumed model and the available data, and the prior distribution used to make an inference is least informative in a certain information-theoretic sense.
Berger, James O.   +2 more
openaire   +3 more sources

The Prior Can Often Only Be Understood in the Context of the Likelihood

open access: yesEntropy, 2017
A key sticking point of Bayesian analysis is the choice of prior distribution, and there is a vast literature on potential defaults including uniform priors, Jeffreys’ priors, reference priors, maximum entropy priors, and weakly informative priors. These
Andrew Gelman   +2 more
doaj   +1 more source

Reference priors for discrete graphical models [PDF]

open access: yesBiometrika, 2006
SUMMARY The combination of graphical models and reference analysis represents a powerful tool for Bayesian inference in highly multivariate settings. It is typically difficult to derive reference priors in complex problems. In this paper we present a suitable mixed para meterisation for a discrete decomposable graphical model and derive the ...
Consonni, Guido, Leucari, Valentina
openaire   +4 more sources

Estimation of a Covariance Matrix Using the Reference Prior

open access: yesThe Annals of Statistics, 1994
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yang, Ruoyong, Berger, James O.
openaire   +2 more sources

Convolutional Neural Network‐Based Adaptive Localization for an Ensemble Kalman Filter

open access: yesJournal of Advances in Modeling Earth Systems, 2023
Flow‐dependent background error covariances estimated from short‐term ensemble forecasts suffer from sampling errors due to limited ensemble sizes. Covariance localization is often used to mitigate the sampling errors, especially for high dimensional ...
Zhongrui Wang   +4 more
doaj   +1 more source

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