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Métodos de detecção de fraude em cartões de crédito: um estudo comparativo
(Universidade Federal de São Carlos, 2022-04-14)
The arrival of the pandemic radically changed the consumption habits of goods and services, starting to occur almost exclusively in the virtual world, which in turn, in the context of fraud, has a greater number of loopholes ...
Análise estatística de dados ultrassônicos para a seleção de características da alvenaria que comprometem sua estabilidade
(Universidade Federal de São Carlos, 2020-12-15)
The stability of buildings is a concern that is gaining more and more focus in the current world, since knowing whether the masonry of a particular building is compromised reduces the chances that it will cause economic ...
Seleção de variáveis: uma aplicação a dados de moinho de cimento
(Universidade Federal de São Carlos, 2019-12-07)
Having as object of study a certain mill that produces cement, we use two methods of variable selection, LASSO and stepwise, to identify variables that influence the engine power and, consequently, impact the cement ...
Seleção de marcadores SNP: uma aplicação com diferentes metodologias
(Universidade Federal de São Carlos, 2020-09-25)
The quantity and complexity of generated data due to advances in genetic sequencing technologies has made statistical analysis an essential tool for their correct study and interpretation. However, there is still no agreement ...
Equações de Estimação Generalizadas na predição da pontuação de atacantes no Cartola FC
(Universidade Federal de São Carlos, 2020-12-16)
Not available
Comparação de medidas de avaliação do poder preditivo em modelos com resposta binária
(Universidade Federal de São Carlos, 2020-12-14)
Not available
Inferência em grafos aleatórios exponenciais através de métodos MCMC
(Universidade Federal de São Carlos, 2020-12-11)
In this work we study statistical inference methods for random graphs. In particular, we study the Exponential Random Graph Model and we study Bayesian estimator based on Markov chain Monte Carlo (MCMC) algorithm. We apply ...
Estimação paramétrica do modelo de mistura padrão com fragilidade aditiva gama: aplicação a dados de câncer de mama
(Universidade Federal de São Carlos, 2022-09-16)
Breast cancer is caused by the uncontrolled growth of abnormal cells in the breast, which multiply rapidly, aggressively and uncontrollably. This disease affects women all over the world, both in developed and underdeveloped ...
Um perfil do comportamento e características dos indivíduos frente a covid-19 a partir da pnad covid19
(Universidade Federal de São Carlos, 2022-09-09)
The National Household Sample Survey (PNAD), which is conducted by IBGE, consists of general characteristics of the population, education, labor, income and housing. The COVID-19 pandemic, started in March 2020, imposed ...
Modelagem de fração cura com a distribuição Gompertz
(Universidade Federal de São Carlos, 2022-09-06)
Survival Analysis is a broad and crucial field of Statistical Science.
Survival models are useful for estimating the reliability function, describe data properties and more.
Considering medical studies, the aim is ...