نتایج جستجو برای: jeffreys

تعداد نتایج: 514  

Journal: :Journal of the Royal Statistical Society: Series B (Statistical Methodology) 2008

Journal: :Hacettepe journal of mathematics and statistics 2022

The inequality containing Csiszár divergence on time scales is generalized for 2n2n-convex functions by using Lidstone interpolating polnomial. As an application, new entropic bounds are also computed. Several inequalities in quantum calculus and hh-discrete established. relationship between Shannon entropy, Kullback-Leibler Jeffreys distance with Zipf-Mandelbrot entropy

2015
Yann Ollivier

When observing data x1, . . . , xt modelled by a probabilistic distribution pθ(x), the maximum likelihood (ML) estimator θML = argmaxθ ∑︀t i=1 ln pθ(xi) cannot, in general, safely be used to predict xt+1. For instance, for a Bernoulli process, if only “tails” have been observed so far, the probability of “heads” is estimated to 0. Laplace’s famous “add-one” rule of succession (e.g., [Grü07]) re...

2006
Dongchu Sun James O. Berger

Objective Bayesian inference for the multivariate normal distribution is illustrated, using different types of formal objective priors (Jeffreys, invariant, reference and matching), different modes of inference (Bayesian and frequentist), and different criteria involved in selecting optimal objective priors (ease of computation, frequentist performance, marginalization paradoxes, and decision-t...

2004
Fumiyasu Komaki F. KOMAKI

Simultaneous predictive distributions for independent Poisson observables are investigated. A class of improper prior distributions for Poisson means is introduced. The Bayesian predictive distributions based on priors from the introduced class are shown to be admissible under the Kullback–Leibler loss. A Bayesian predictive distribution based on a prior in this class dominates the Bayesian pre...

2008
Jayanta K. Ghosh Dongchu Sun

Objective priors for sequential experiments are considered. Common priors, such as the Jeffreys prior and the reference prior, will typically depend on the stopping rule used for the sequential experiment. New expressions for reference priors are obtained in various contexts, and computational issues involving such priors are considered.

Journal: :Biographical Memoirs of Fellows of the Royal Society 1990

2008
M. J. Bayarri

In this paper we introduce objective proper prior distributions for hypothesis testing and model selection based on measures of divergence between the competing models; we call them divergence based (DB) priors. DB priors have simple forms and desirable properties, like information (finite sample) consistency; often, they are similar to other existing proposals like the intrinsic priors; moreov...

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