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Se proponen en este trabajo nuevos funcionales reales de la matriz de información de Fisher como medidas de información paramétricas. Se analizan las propiedades de dichas medidas. Se presenta un método sencillo, basado en la matriz de Fisher, para obtener medidas de información paramétricas reales con la propiedad de invariancia bajo transformaciones biyectivas del espacio paramétrico.
This paper deals with order identification for Markov chains with Markov
regime (MCMR) in the context of finite alphabets. We define the joint order
of a MCMR process in terms of the number k of states of the hidden Markov
chain and the memory m of the conditional Markov chain. We study the
properties of penalized maximum likelihood estimators for the unknown order
(k, m) of an observed MCMR process, relying on information theoretic
arguments. The novelty of our work relies in the joint...
The Bayesian inversion is a natural approach to the solution of inverse problems based on uncertain observed data. The result of such an inverse problem is the posterior distribution of unknown parameters. This paper deals with the numerical realization of the Bayesian inversion focusing on problems governed by computationally expensive forward models such as numerical solutions of partial differential equations. Samples from the posterior distribution are generated using the Markov chain Monte...
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