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dc.contributor.authorSilva, Dâmocles Aurélio Nascimento da-
dc.contributor.authorCunha Filho, Moacyr-
dc.contributor.authorFalcão, Ana Patrícia Siqueira Tavares-
dc.contributor.authorAlves, Gabriela Isabel Limoeiro-
dc.creatorSilva, Dâmocles Aurélio Nascimento da-
dc.creatorCunha Filho, Moacyr-
dc.creatorFalcão, Ana Patrícia Siqueira Tavares-
dc.creatorAlves, Gabriela Isabel Limoeiro-
dc.date2016-03-30-
dc.date.accessioned2017-08-01T20:09:55Z-
dc.date.available2017-08-01T20:09:55Z-
dc.date.issued2017-08-01-
dc.identifier.citationSILVA, D. A. N. da et al. Classical and Bayesian estimation for INAR (1) models in number of precipitation days in Garanhuns-PE. Revista Brasileira de Biometria, São Paulo, v. 34, n. 1, p.63-83, 2016.-
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/13982-
dc.descriptionMany aspects of the weather cycle could be described by time series data. Meteorologists often use time series data to assess climate conditions and forecasts. Such models are generally continuous models. The interest was to analyze discrete weather data with the INAR (1) model, using classical and Bayesian approach to parameter estimation. The proposal is to analyze the data series utiizando mixed models with Bayesian approach. Thus, this work is described a sequence of procedures for estimating parameters of autoregressive models of order p = 1, for integer values INAR(1), by classical inference via maximum likelihood estimator and Bayesian inference via simulation Monte Carlo Markov Chain (MCMC). Two alternatives are considered for the a priori density of the model parameters. For the former case is adopted a density non-priori information. For the second, we adopt a density combined beta-gamma. A posteriori analysis is performed by algorithms of MCMC simulation. Also evaluates the prediction of new values of the series number of days with precipitation. The period of analysis comprised 30=11= 1993 to 29=02=2012 and obtained estimates of the period of 31=03=2012 to 28=02=2013. One INAR (1) model of classical parameter estimation and two models INAR (1) Bayesian estimation for the parameters were used. The choice of the most appropriate model the Akaike information criterion (AIC) was used. The analysis of forecast errors was an instrument used to determine which model is best suited to the data. We conclude that the use of MCMC simulation makes the process more exible Bayesian inference and can be extended to larger problems. Bayesina models showed better performance than the classical model.-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherUniversidade Federal de Lavras-
dc.relationhttp://www.biometria.ufla.br/index.php/BBJ/article/view/92/31-
dc.rightsCopyright (c) 2016 Dâmocles Aurélio Nascimento da SILVA, Moacyr CUNHA FILHO, Ana Patrícia Siqueira Tavares FALCÃO, Gabriela Isabel Limoeiro ALVES-
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.sourceRevista Brasileira de Biometria; Vol 34 No 1 (2016); 63-83-
dc.source1983-0823-
dc.subjectModelos INAR-
dc.subjectInferência Bayesiana-
dc.subjectModelos mistos-
dc.titleClassical and Bayesian estimation for INAR (1) models in number of precipitation days in Garanhuns-PE-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typePeer-reviewed Article-
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