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Modelos de previsão na otimização de usinas elétricas virtuais
(Universidade Federal de Santa Maria, 2022-07-20)
The work analyzed ARIMA models for forecasting day-ahead price clearing markets. The
models were based on time series analysis and provide reliable and accurate market price
predictions. The objective was to verify the ...
Análise do desempenho escolar de alunos aprovados em conselho de classe
(Universidade Federal de Santa Maria, 2004-05-29)
The Academic Council of a school is an activity that joins a group of teachers of the same grade,
aiming, in group, to reach to a systematic knowledge of the class, as well as follow and evaluate each
student individually, ...
A relação entre a poluição do ar e as principais variáveis climatológicas na cidade de Canoas, Rio Grande do Sul
(Universidade Federal de Santa Maria, 2017-05-26)
Oftentimes, air pollution is not noticeable, and there are few cities with proper instruments to measure it. Air pollution has directly affected people’s health and is one of the most severe forms of pollution; especially ...
Uma nova classe de distribuições unitárias baseada na família Weibull estendida com aplicação em dados eleitorais
(Universidade Federal de Santa Maria, 2020-03-17)
We propose a family of distributions so-called the new unit extended Weibull family
(NWEU). It is derived from a transformation in an extended Weibull random variable. Six
NWEU submodels are studied, namely: i) exponential ...
Inferência e caracterização através de estatística circular para dados de direção do vento
(Universidade Federal de Santa Maria, 2020-03-20)
Angular data is usually measured in degrees or radians and requires Circular Statistics techniques for characterization and inference. A point in a circle of unit radius or a unit vector indicating direction can be defined ...
Determinantes do investimento estrangeiro direto e em carteira no Brasil: uma análise empírica
(Universidade Federal de Santa Maria, 2021-10-13)
This paper aims to analyze the relationships between foreign direct (FDI) and portfolio (FPI)
investments in Brazil and their internal macroeconomic determinants, in order to answer the
following question: there are ...
Avaliação de fatores de risco relacionados à obtenção da meta do IDEB
(Universidade Federal de Santa Maria, 2015-07-17)
The objective of this study is to identify what factors influence the poor academic performance and are reflected in the scores of the Basic Education Development Index (IDEB). Data were collected from municipal, state and ...
O uso do método de combinação de previsões aplicadas aos gastos no consumo da cesta básica de Porto Alegre - RS
(Universidade Federal de Santa Maria, 2019-08-29)
Making forecasts of the average consumption spending of the Basic Basket of Porto Alegre, RS, allows us to have a brief approximation of the possible values to be charged for this product. Given this situation, the objective ...
Análise do processo de desindustrialização na Região Sul do Brasil: uma abordagem por meio de econometria de séries temporais
(Universidade Federal de Santa Maria, 2020-01-17)
This work aims to analyze the industrial profile of South Region of Brazil, seeking to answer the following question: Is it occurring a process of deindustrialization in South Region of Brazil? In this sense, were adjusted ...
Modelos de regressão para o produto de acumulação lipídica em pessoas com síndrome metabólica
(Universidade Federal de Santa Maria, 2020-04)
The aim of the study was to analyze the relationship between anthropometric variables: waist circumference (WC), hip circumference (HC), body mass (BM), height (HGT) and hemodynamic variables: systolic (SBP) and diastolic ...