Search
Now showing items 1-10 of 13
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 ...
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, 2022-09-14)
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 ...
Feminicídio antes e durante a pandemia
(Universidade Federal de São Carlos, 2023-08-24)
A lot of studies are done to know the effects of coronavirus pandemic in several society aspects, like colateral effects of the disease. One import social aspect is the violence against women wich many times leads to death. ...
Estratégias de reamostragem aplicadas em problemas de classificação binária de dados financeiros
(Universidade Federal de São Carlos, 2023-08-22)
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 ...
Análise de séries temporais multivariadas via Wavelet
(Universidade Federal de São Carlos, 2023-08-24)
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 ...