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Uma abordagem baseada em passeios aleatórios para identificar o melhor piloto de Fórmula 1 da história
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/09/2024)In the world of motorsports, when we are interested in identifying the best driver, we generally only consider those who have raced in Formula 1, the pinnacle of the global four-wheeled sport. However, the definition of ... -
Uma abordagem estatística sobre a estimação de redshifts de quasares usando dados do S-PLUS
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 08/09/2022)Redshift is a cosmic index used to measure distances to astronomical objects. The study of this quantity is important for the understanding of the expansion of the Universe and the current objective of the stars, according ... -
Análise de dados de estudos independentes: um estudo sobre metanálise
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/08/2024)This paper presents the statistical technique of meta-analysis and its applications as a tool for synthesizing scientific evidence, with the goal of understanding its potential in the integration and analysis of results ... -
Uma análise de regressão logística usando componentes principais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/01/2024)In this Bachelors dissertation we studied, in the context of logistic regression models, the case in which the number of covariables is large and the covariables are correlated. In this situation, we use the principal ... -
Análise de séries temporais multivariadas via Wavelet
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/08/2023)After the mid-1980s, wavelet theory quickly spread to many fields. Although wavelet analysis has the ability to decompose data into various time scales and to deal with nonstationary data and time location, this methodology ... -
Análise de sobrevivência em marketing, considerando o modelo exponencial com fragilidade compartilhada, na predição de churn
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 10/06/2021)Services companies like telephony, health plans, internet and others, have redirect their marketing strategies in the customers retention. By maintaining a business relationship with their consumers, companies guarantee ... -
Análise do desempenho de jogadoras de Handebol do Campeonato Mundial Feminino Juvenil
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 10/11/2021)Athlete performance analysis has become increasingly relevant for In different sports, handball is no different. To perform data classification cluster analysis is a great option. Will be used in this work, some grouping ... -
Análise e previsão de séries temporais via Facebook Prophet
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/01/2024)Forecasting is an estimate or projection of what may happen in the future based on information and data available from the past and present. In other words, it is an attempt to make an informed guess about what is likely ... -
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 ... -
Análise fatorial para dados qualitativos ordinais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 11/06/2021)The use of the factor analysis is appropriate for quantitative data. Therefore, alternatives should be considered to use factor analysis with ordinal data. In this work, exploratory factor analysis for ordinal data is ... -
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 ... -
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 ... -
Avaliação do poder de testes de raíz unitária em séries temporais AR(1) de diferentes comprimentos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 09/09/2024)The study of time series is essential in various fields, such as economics and social sciences, as it aids in understanding and predicting phenomena over time. A crucial aspect is the stationarity of the series, which can ... -
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 ... -
Classifcação binária via Bayes Ingênuo: um estudo comparativo de predições
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 17/03/2023)In this undergraduate thesis, we propose a review of the Naive Bayes classifcation method applied to binary response variables, with a more in-depth formalization of the Gaussian Naive Bayes and Flexible Naive Bayes ... -
Classificação binária de dados financeiros em problemas com classes desbalanceadas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/01/2024)In order to mitigate the risks and uncertainties associated with credit granting, financial institutions are constantly exploring methods to enhance the credit evaluation system. In the same context, the growth in credit ... -
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 -
Comparação de penetrômetros e identificação de fatores na resistência mecânica do solo à penetração via modelos mistos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 31/01/2024)It is common knowledge that one of the main sources of the Brazilian economy is attributed to agriculture. In Brazil, agriculture is a competitive field, being a very rich and diversified economic sector, as well as a ... -
Detecção de alteração no regime pluviométrico da Serra da Cantareira via modelo de espaço de Estados
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 20/01/2021)In the period between 2014 and 2016, the Southeast region suffered from a severe drought process. According to the 2014 special insert, prepared by the National Water Agency (2014) of the Ministry of the Environment, the ... -
Distribuição da estatística de Wald em amostras finitas para modelos GAMLSS paramétricos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/08/2023)In parametric regression models, we often want to test hypotheses regarding the values of their parameters. Specifically, when we depart from the general linear model (random errors with a Normal distribution), the Wald ...