Browsing TCC by Document Type "TCC"
Now showing items 1-20 of 58
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Métodos de detecção de fraude em cartões de crédito: um estudo comparativo
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/04/2022)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, UFSCar, , Câmpus São Carlos, 15/12/2020)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, UFSCar, , Câmpus São Carlos, 07/12/2019)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, UFSCar, , Câmpus São Carlos, 25/09/2020)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, UFSCar, , Câmpus São Carlos, 16/12/2020)Not available -
Comparação de medidas de avaliação do poder preditivo em modelos com resposta binária
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/12/2020)Not available -
Inferência em grafos aleatórios exponenciais através de métodos MCMC
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 11/12/2020)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, UFSCar, , Câmpus São Carlos, 16/09/2022)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, UFSCar, , Câmpus São Carlos, 09/09/2022)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, UFSCar, , Câmpus São Carlos, 06/09/2022)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 ... -
A estatística no futebol: uma análise dos principais fatores que influenciam o número de gols feitos pelos jogadores no campeonato inglês
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 26/01/2023)Soccer is considered one of the most popular sports in the world and its relevance is reflected not only in the crowds that fill the stadiums around the 5 continents within the most varied championships, but also proves ... -
Inferência para modelos de fração de cura zeros inflacionados aplicados a dados de risco de crédito
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 28/10/2021)Given the great demand for granting credit and service goods, there is a need to be able to control the risk involved in the process. This measure aims to manage possible unwanted events, for example, default, in order to ... -
Redes neurais aplicadas a grafos: uma abordagem semi-supervisionada
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/04/2022)In this work, we propose an in-depth analysis of Graph Convolutional Networks, a semi-supervised machine learning method for node classification in graph-structured data. Based on the seminal work proposed by Thomas Kipf ... -
Um estudo sobre os impactos de algumas medidas sanitárias na incidência e mortalidade por COVID-19
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 07/04/2022)Since March 2020, Brazil, like the whole world, has been facing a major pandemic caused by COVID-19 (SARS-CoV-2). COVID-19 is a highly transmissible respiratory infection and for this reason governments around the world ... -
Estudo e comparação das técnicas de validação cruzada desenvolvidas para séries temporais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/04/2022)Testing the generalization capacity of an algorithm obtained is crucial for any prediction methodology, for which cross-validation methods were developed. However, when dealing with data that have dependency among observations, ... -
Árvores hibridas: particionamento recursivo baseado em modelos paramétricos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 12/04/2022)The present study seeks to explore hybrid trees, so called called recursive partitioning based on parametric models. Such method is based on traditional decision trees (regression and classification tree) and parametric ... -
Um estudo sobre a provisão de consórcio com séries temporais e machine learning
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 07/04/2022)The consortium sector of a particular company works by dividing its customers into groups that start and finish at the same time the payment of installments of a combined amount to obtain their own vehicle. The acquisition ... -
Utilização de métodos de aprendizado de máquina para estimação de escores de propensão
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/04/2022)Increasingly larger and more complex databases can be easily obtained and appropriate technologies for modeling massive amounts of data become increasingly necessary in order to optimize results and predictions. Machine ... -
Análise, seleção e agrupamento de características relevantes das equipes da NFL durante os anos de 2013-2016 e suas relações - um estudo de caso
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/09/2022)On this work, the study of different NFL (National Football League) variables was proposed, with the main goal of analysing, selecting and clustering their characteristics and its correlations. Data on the official NFL ... -
Inferência da conectividade neuronal e o modelo de Galves e Löcherbach
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/09/2022)One of the most important issues in neuroscience is to understand the dynamics of animal behavior, that is, the joint action of large numbers of neurons, body parts, and the environment. The relationship between this ...