Browsing TCC by CNPq Subject "CIENCIAS EXATAS E DA TERRA::PROBABILIDADE E ESTATISTICA::ESTATISTICA::ANALISE DE DADOS"
Now showing items 1-20 of 22
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Modelo de predição para dados desbalanceados utilizando informações de financiamentos de veículos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 28/03/2023)For the statistics thesis project, a model adjustment is proposed for unbalanced data, using vehicle financing information, with the response variable being dichotomous, divided into defaulters and non-defaulters. ... -
Máquinas de vetores suporte com aplicação em classificação de crédito
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/03/2023)The credit granting represents one of the products with the highest profitability within a financial institution. However, to ensure profit, institutions must know to whom they lend their capital. In this scenario, a ... -
Modelos de regressão defeituosos zero ajustados aplicados a dados de risco de crédito
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 18/08/2023)With the increase in consumption of goods, services, and credit granting, it becomes necessary to control the risk of the process. This measure aims to prevent a possible default rate higher than what financial institutions ... -
Estudo da prevalência de transtornos mentais comuns via métodos de classificação
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/02/2024)The present undergraduate thesis focuses on the study of the association between specific variables and the diagnosis of common mental disorders. To achieve this goal, we examined classification methods, namely decision ... -
Utilização de algoritmos de classificação para diagnóstico de diabetes
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/02/2024)The undergraduate thesis consists of the study of binary classification algorithms for diagnosing diabetes based on clinical data and physical activity data. For this purpose, we will accomplish a statistical and conceptual ... -
Negrifeminicídio: O feminicídio de mulheres negras no estado de São Paulo
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/01/0022)Violence against women and racism are extremely important issues that must be addressed with great care and seriousness. In this work, they will be presented together: the violent deaths of white and black women and their ... -
Estratégias de reamostragem aplicadas em problemas de classificação binária de dados financeiros
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/08/2023)Many binary classification problems exhibit unbalanced classes, which consists of one of the two classes being significantly more numerous than the other. The minority class is the least representative, with far fewer ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Inferência da conectividade neuronal via estimação de medidas da teoria da informação
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 08/06/2021)Information theory studies how communication systems integrate, encode, compute, and transmit information. The neural system is an example where communication takes place with neurons responding to stimuli and conducting ... -
Reconhecimento de entidades nomeadas aplicado em prontuários médicos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/09/2022)A named entity is a real-world object, such as a person (e.g. Alan Turing), a location (e.g. London), or an organization (e.g. UFSCar). Named Entity Recognition (NER) is a subarea of Natural Language Processing (NLP) whose ... -
Testes múltiplos para comparação de dados funcionais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 28/03/2023)The recording of human motion is an essential requirement for biomechanical studies aimed at understanding normal and altered movement patterns to propose preventive or rehabilitation programs. In these studies, the analysis ... -
Predição do desempenho de jogadores da National Basketball Association
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 06/09/2024)The objective of this study is to explore an alternative for predicting the technical and tactical performance of athletes in the National Basketball Association (NBA). The focus will be on the individual performance of ... -
Métodos de agrupamento longitudinal: uma aplicação em dados de ondas ultrassônicas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 12/11/2021)The preservation of buildings faces several challenges, such as the wear caused by weather, atmospheric conditions, soil settlement or even lack of proper maintenance. In some cases, such as historical heritage, it is not ... -
Análise técnica e família GARCH para séries temporais financeiras
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/09/2024)The stock market is an environment where people buy and sell stocks and financial assets, becoming shareholders of companies with the aim of making profits through dividends and stock appreciation. Today, living off income ... -
Perspectivas pód-Pandemia de COVID-19: Previsão do desemprego no Brasil com o méttodo de Holt-Winters
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 13/08/2024)This study aims to analyze the impact of the COVID-19 pandemic on unemployment rates, with a special focus on the gender gap. Using time series methods, we will focus our attention on understanding how the pandemic has ... -
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 ...