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Influência local com procura "forward' em modelos de regressão linear
(Universidade Federal de São Carlos, 2015-02-25)
The identification of influential and/or atypical observations in a data set is known as a part of the diagnostic analysis. One of the purposes of the diagnostic analysis is to verify the robustness of a statistical model, ...
Família Kumaraswamy-G para analisar dados de sobrevivência de longa duração
(Universidade Federal de São Carlos, 2015-02-25)
In survival analysis is studied the time until the occurrence of a particular event of interest and in the literature, the most common approach is parametric, where the data follow a specific probability distribution. ...
Métodos de Monte Carlo Hamiltoniano na inferência Bayesiana não-paramétrica de valores extremos
(Universidade Federal de São Carlos, 2015-03-09)
In this work we propose a Bayesian nonparametric approach for modeling extreme value data. We treat the location parameter _ of the generalized extreme value distribution as a random function following a Gaussian process ...
Técnicas de classificação aplicadas a credit scoring: revisão sistemática e comparação
(Universidade Federal de São Carlos, 2015-12-18)
Nowadays the increasing amount of bank transactions and the increasing of data storage created a demand for risk evaluation associated with personal loans. It is very important for a company has a very good tools in credit ...
Uma aproximação do tipo Euler-Maruyama para o processo de Cox-Ingersoll-Ross
(Universidade Federal de São Carlos, 2015-02-26)
In this master's thesis we work with Cox-Ingersoll-Ross (CIR) process. This process was originally proposed by John C. Cox, Jonathan E. Ingersoll Jr. and Stephen A. Ross in 1985. Nowadays, this process is widely used in ...
Avaliação da proficiência em inglês acadêmico através de um teste adaptativo informatizado
(Universidade Federal de São Carlos, 2015-04-09)
This work describes the steps for converting a linear paper-and-pencil English proficiency test
for academic purposes, composed with multiple choice items that are administered following the
admissible probability ...
Modelagem de dados de sistemas reparáveis com fragilidade
(Universidade Federal de São Carlos, 2015-09-15)
The usual models in repairable systems are minimal, perfect and imperfect repair, and, in the literature, the minimum repair model is the most explored. In repairable systems it is common that the same type of components ...
Hedging no modelo com processo de Poisson composto
(Universidade Federal de São Carlos, 2015-12-07)
The investor, that negotiate assets, is subject to economic risks of any negotiation because there is no certainty regarding the appreciation or depreciation of an asset. Here comes the futures market, where contracts can ...