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Uso de métodos clássicos e bayesianos em modelos de regressão beta
(Universidade Federal de São Carlos, 2007-05-18)
This work involves a study of a regression model appropriated for situations which the response variable is measured in a continuous scale in the (0, 1) interval, as, for instance, taxes or proportions. The developed ...
Uma análise bayesiana para dados composicionais.
(Universidade Federal de São Carlos, 2005-03-03)
Compositional data are given by vectors of positive numbers with sum equals to one.
These kinds of data are common in many applications, as in geology, biology, economy
among many others. In this paper, we introduce a ...
Estimação do Value at Risk via enfoque bayesiano
(Universidade Federal de São Carlos, 2007-01-26)
The continuous development of new financial instruments brings more and more
investment options for market participants. These investment options also bring a bigger
necessity to evaluate the risk embedded in these new ...
Modelos de séries temporais com coeficientes variando no tempo
(Universidade Federal de São Carlos, 2009-02-26)
In this work they are presented extensions of Auto Regressive and Auto Regressive Conditional Heteroscedasticity models with coefficients varying in time. These coefficients have
been used as models for non stationary real ...
Um modelo de risco proporcional dependente do tempo
(Universidade Federal de São Carlos, 2007-03-30)
Survival data analysis models is used to study experimental data where, normally,
the variable "answer"is the time passed until an event of interest. Many authors do prefer
modeling survival data, in the presence of ...
Modelo bayesiano de coincidências em processos de listagens
(Universidade Federal de São Carlos, 2006-05-03)
In this work we present a bayesian methodology to estimate the number of coincident
individuals of two lists, considering the occurrence of correct and incorrect registers of the
informations registers of each individual ...
Seleção de modelos de tempos com longa-duração para dados de finanças
(Universidade Federal de São Carlos, 2008-02-22)
Aplicações de estatística em marketing
(Universidade Federal de São Carlos, 2007-12-14)
In this work, we analyse the use of the statistics in the improvement of some attitudes of a company regarding marketing strategy. We deal with methods which permit the identification of the best costumers and the preferences ...
O efeito de reparametrização em testes de sobrevivência acelerados
(Universidade Federal de São Carlos, 2003-06-11)
Accelerated life tests are frequently used in industrial experiments to obtain measures on the reliability of products. In these tests, the units are submited at higher levels of stress than usual and the informations ...
Especificação do tamanho da defasagem de um modelo dinâmico
(Universidade Federal de São Carlos, 2009-03-06)
Several techniques are proposed to determine the lag length of a dynamic regression model. However, none of them is completely satisfactory and a wrong choice could imply serious problems in the estimation of the parameters. ...