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Inferência da conectividade neuronal via estimação de medidas da teoria da informação
(Universidade Federal de São Carlos, 2021-06-08)
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 ...
Detecção de alteração no regime pluviométrico da Serra da Cantareira via modelo de espaço de Estados
(Universidade Federal de São Carlos, 2021-01-20)
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 ...
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 ...
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 ...
Modelo de Séries Temporais Autorregressivo Periódico - PAR
(Universidade Federal de São Carlos, 2021-06-20)
This work presents the study of a type of time series model, called
of periodic autoregressive model, which emerged from the researches of Thomas and Fiering
(1962), according to Hipel and McLeod (1994). Its use is mainly ...
Um estudo sobre wavestrap
(Universidade Federal de São Carlos, 2021-06-30)
Wavelets are basis of function spaces that can be used to represent both continuous
(functions) and discrete (sequences) signals; wavelets study gained great notoriety after
the work of Daubechies, who developed a wavelet ...
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 ...
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 ...
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 ...