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Docta Complutense
Doctoral thesis . 2004
Data sources: Docta Complutense
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Aplicación de métodos numéricos en inferencia bayesiana : implementación de un método bayesiano robusto

Authors: Portela García-Miguel, Javier;

Aplicación de métodos numéricos en inferencia bayesiana : implementación de un método bayesiano robusto

Abstract

El objetivo de este trabajo es desarrollar técnicas para la aplicación de la familia de distribuciones Potencial Exponencial, dentro del marco de la Inferencia Bayesiana, con especial incidencia en el problema de selección de modelos bayesianos. En particular, se presenta una generalización de esta familia, y se desarrollan un método Monte-Carlo, un método de simulación vía muestreo de Gibbs y un método de simulación que utiliza una representación en mixturas de esta familia, para establecer inferencias sobre las distribuciones a posteriori surgidas del planteamiento bayesiano. A través del parámetro de control de curtosis puede plantearse un contraste bayesiano de hipótesis nula puntual para contrastar normalidad de los datos en el marco de esta familia. Se plantea este contraste desde un enfoque basado en medidas de discrepancia, presentando una medida basada en el cálculo de regiones de máxima densidad a posteriori y haciendo un estudio de simulación. Finalmente se aplican las técnicas desarrolladas anteriormente en el marco de modelos bayesianos, concretamente en modelos lineales, modelos no lineales, y modelos longitudinales, poniendo de relieve el interés de la utilización de esta familia en problemas de robustez en modelos bayesianos

Country
Spain
Related Organizations
Keywords

Estadística matemática (Matemáticas), Teoría de, Estadística matemática, Decisión Bayesiana, Investigación operativa (Matemáticas), 1209 Estadística, Investigación operativa, 1207 Investigación Operativa

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green