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Comparação de técnicas de previsão em análise de séries temporais: uma proposta via wavelets e modelos tradicionais aplicadas à série de arrecadação do ICMS no RS
(Universidade Federal de Santa Maria, 2009-01-09)
The main purpose of this research is to compare and explore traditional ARIMA and
exponential smoothing models, likewise to propose a combined use of these forecasting
techniques with the wavelets decomposition. The ...
Aplicação da metodologia de Box-Jenkins para análise da evolução dos óbitos por neoplasias malignas de pele nas regiões Sul e Sudeste do Brasil
(Universidade Federal de Santa Maria, 2017-08-21)
In data sets whose observations are ordered in moments of time, possibly at equidistant intervals, the analysis of time series is indicated. This type of analysis allows identifying patterns such as: seasonality, trend, ...
Análise das séries de distribuição e consumo de água em Santa Maria – RS utilizando a metodologia de Box & Jenkins
(Universidade Federal de Santa Maria, 2007-08-17)
Among the natural resources, water is the most important element for the species’
survival. With the population growth, the demand for water increases. This, allied to the
waste and the pollution of the water springs, ...
Análise do volume de vendas de óleo diesel e gasolina no RS, 2000 a 2010
(Universidade Federal de Santa Maria, 2010-07-26)
This research theme is the approach of forecasting models, applied to sales of diesel and gasoline, fuel oil major byproducts in the State of RS, in order to verify process stability through control charts, applied to waste ...
Oferta e demanda de empregos no Brasil mediante a modelagem ARIMA
(Universidade Federal de Santa Maria, 2015-01-23)
The national economic development is closely linked to the quantity of jobs available. So, to be able to study other variables responsible for this development, it is necessary to analyze data from admissions and dismissals. ...
Estudo da evolução do número de acidentes do trabalho na Região Sul do Brasil por meio de modelos ARFIMA
(Universidade Federal de Santa Maria, 2019-03-27)
The accelerated process of technological innovation has brought changes in the work organization, and we can see, therefore, an increase in the workload, leading to a high number of accidents. Considering the importance ...
Análise da demanda elétrica brasileira baseada em métodos de previsão
(Universidade Federal de Santa Maria, 2022-07-04)
The great technological advance in the last decades has presented a significant change in
humanity's relations with the planet, energy consumption, as energy sources and the destiny of
this energy that accompanies this ...
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 da evolução das taxas de mortalidade de crianças com até um ano de idade residentes no estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2021-01-11)
Infant mortality rates represent indicators of quality of life and measure human development, social inequality, and the living and health conditions of a given population. This study aims to highlight their main characteristics ...
Previsão da demanda de exames de direção veicular no estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2006-01-19)
The objective of this work is to model and to foresee the weekly demand of transportation
direction exams that were accomplished in Rio Grande do Sul. The data were contained in
122 (hundred and twenty-two) weekly ...