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Estudo do teste SNHT (Standart Normal Homogeneity Test) para detecção de pontos de mudança em séries temporais
(Universidade Federal de São Carlos, 2021-06-20)
The study of time series is extremely important for a better understanding
how certain events develop over time. To do this, be able to
to indicate the exact moment when a given phenomenon changes its pattern of
behavior ...
Análise de sobrevivência em marketing, considerando o modelo exponencial com fragilidade compartilhada, na predição de churn
(Universidade Federal de São Carlos, 2021-06-10)
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 ...
Métodos de aprendizado ativo
(Universidade Federal de São Carlos, 2022-04-12)
In the field of supervised learning, the good performance of a prediction model is generally tied to the presence of a large labelled training set. However, there are many situations where labelling an instance is expensive ...
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 ...
Métodos de agrupamento longitudinal: uma aplicação em dados de ondas ultrassônicas
(Universidade Federal de São Carlos, 2021-11-12)
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 fatorial para dados qualitativos ordinais
(Universidade Federal de São Carlos, 2021-06-11)
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 ...
Inferência para modelos de fração de cura zeros inflacionados aplicados a dados de risco de crédito
(Universidade Federal de São Carlos, 2021-10-28)
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 ...
Modelos lineares generalizados multinomiais univariado e bivariado
(Universidade Federal de São Carlos, 2021-06-10)
This work presents the basical theorics fundaments of the generalized linear models e the caracteristiscs of the univariate multinomial and binomial logistic regression analysis. Practical aplications of binomial regression ...
Um estudo estatístico sobre as redes de aeroportos no Brasil
(Universidade Federal de São Carlos, 2021-11-08)
In this work, we study the evolution of the Brazilian airport networks in order to describe their connectivity structure and to analyze if their structure changed during the pandemic caused by COVID-19. To this end, we ...