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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Sobre modelos de covariância com erros elípticos: uma abordagem Bayesiana. / About covariance models with elliptical errors: a Bayesian approach.

FIGUEREDO, Rosângela da Silva. 16 July 2018 (has links)
Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-07-16T19:04:20Z No. of bitstreams: 1 ROSÂNGELA DA SILVA FIGUEIREDO - DISSERTAÇÃO PPGMAT 2007..pdf: 463444 bytes, checksum: 917a85b81e55496d6077fbf99966cab0 (MD5) / Made available in DSpace on 2018-07-16T19:04:20Z (GMT). No. of bitstreams: 1 ROSÂNGELA DA SILVA FIGUEIREDO - DISSERTAÇÃO PPGMAT 2007..pdf: 463444 bytes, checksum: 917a85b81e55496d6077fbf99966cab0 (MD5) Previous issue date: 2007-03 / Neste trabalho estudamos o Modelo de Covariância com Erro nas Variáveis, onde os erros têm distribuição elípitca, sob uma pespectiva Bayesiana. Para tanto usamos umainformaçãoapriori dotiponãoinformativa,propostaporJeffrey(1961),efazemos inferências sobre os parâmetros do modelo em estudo. Mostramos que, para qualquer modelo de covariância elíptico com erro nas variáveis combinado com a priori do tipo não informativa, conduz às mesmas análises da posteriori correspondente ao modelo de covariância normal com erro nas variáveis. / In this work the Model of Covariance with error in their variables will be studied, where these errors have elliptical distributions, under a Bayesian perspective. In order to accomplish this we will use “a priori” information of the not informative type, as proposed forJeffrey(1961),and we will make inferences on the parameters of the studied model. It will be showed that for any model of covariance with elliptical error in their variables, combined with “a priori” information of the not informative type, the results will lead to the same analyses obtained through the posteriori analyses that correspond to the normal model of covariance with errors in their variables.

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