Results 11 to 20 of about 4,099,878 (253)

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   +6 more sources

Model Inference with Reference Priors

open access: yes, 2011
We describe the application of model inference based on reference priors to two concrete examples in high energy physics: the determination of the CKM matrix parameters rhobar and etabar and the determination of the parameters m_0 and m_1/2 in a simplified version of the CMSSM SUSY model. We show how a 1-dimensional reference posterior can be mapped to
Pierini, Maurizio   +3 more
openaire   +3 more sources

Learning Likelihood-Free Reference Priors. [PDF]

open access: yes
Simulation modeling offers a flexible approach to constructing high-fidelity synthetic representations of complex real-world systems. However, the increased complexity of such models introduces additional complications, for example when carrying out statistical inference procedures.
Bishop, N   +4 more
openaire   +3 more sources

The Bayes Estimators of the Variance and Scale Parameters of the Normal Model With a Known Mean for the Conjugate and Noninformative Priors Under Stein’s Loss

open access: yesFrontiers in Big Data, 2022
For the normal model with a known mean, the Bayes estimation of the variance parameter under the conjugate prior is studied in Lehmann and Casella (1998) and Mao and Tang (2012).
Ying-Ying Zhang   +5 more
doaj   +1 more source

Reference priors for the general location-scale modelm [PDF]

open access: yesStatistics & Probability Letters, 1999
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Fernández, C., Steel, M.F.J.
openaire   +5 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

Hellinger Information Matrix and Hellinger Priors

open access: yesEntropy, 2023
Hellinger information as a local characteristic of parametric distribution families was first introduced in 2011. It is related to the much older concept of the Hellinger distance between two points in a parametric set.
Arkady Shemyakin
doaj   +1 more source

On the implementation of local probability matching priors for interest parameters [PDF]

open access: yes, 2005
Probability matching priors are priors for which the posterior probabilities of certain specified sets are exactly or approximately equal to their coverage probabilities.
Sweeting, TJ, Trevor J. Sweeting
core   +1 more source

On Default Priors for Robust Bayesian Estimation with Divergences

open access: yesEntropy, 2020
This paper presents objective priors for robust Bayesian estimation against outliers based on divergences. The minimum γ-divergence estimator is well-known to work well in estimation against heavy contamination. The robust Bayesian methods by using quasi-
Tomoyuki Nakagawa, Shintaro Hashimoto
doaj   +1 more source

Multi-Reference Shape Priors for Active Contours [PDF]

open access: yesInternational Journal of Computer Vision, 2008
In this paper, we present a new way of constraining the evolution of an active contour with respect to a set of fixed reference shapes. This approach is based on a description of shapes by the Legendre moments computed from their characteristic function. This provides a region-based representation that can handle arbitrary shape topologies.
Foulonneau, Alban   +2 more
openaire   +4 more sources

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