Buscar
Itens para a visualização no momento 1-10 of 50
Estudo da mortalidade infantil: um modelo de regressão logística múltipla
(Universidade Federal de Santa Maria, 2009-08-31)
The present study had the purpose of analyzing the data of the System of Information on Born
Alive (SINASC) and of the System of Information on Mortality (SIM) in order to identify the
risk factors for the infant mortality ...
Modelos volumétricos para erva-mate (Ilex paraguariensis A. St.-Hil.), na região nordeste do estado do Rio Grande do Sul: uma análise através das técnicas de regressão
(Universidade Federal de Santa Maria, 2007-12-17)
This work aimed at the volumetric modeling for maté tea by the regression analysis,
selecting the model that best fit the data used, and determine the volume of each tight or
real tree by analytical method. Were evaluated ...
Análise comparativa dos resultados classificatórios dos vestibulandos 2003 e 2004 da UFSM pelas médias harmônica e aritmética
(Universidade Federal de Santa Maria, 2006-03-31)
The aim of this work is to compare the harmonic (present) and arithmetic (proposal)
average of the classified applicants and the understudies at UFSM main courses in
2003 and 2004. It was done through statistics techniques ...
Aplicação de técnicas multivariadas para análise dos escores de classificação dos candidatos ao concurso vestibular 2007 da UFSM
(Universidade Federal de Santa Maria, 2007)
The present work arises from the necessity of a statistic key which helps the COPERVES in the
analysis of the classification methodology of the candidates to the Vestibular. The Discriminant
Analysis of Fisher is a well ...
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 ...
Utilização de análise de agrupamento para a identificação e caracterização das propriedades fumageiras de Paraíso do Sul
(Universidade Federal de Santa Maria, 2006-04-17)
The identification of the production systems indeed used by the producers it is
important to subsidize the institutions of agricultural research and agricultural
extension in the generation and transfer of compatible ...
Número de negócios e volume financeiro na previsibilidade do Ibovespa: uma aplicação de redes neurais artificiais
(Universidade Federal de Santa Maria, 2008-10)
This study focused on the use of information on the number of business and financial volume
traded as explanatory variables that improve the performance in the predictability of Ibovespa
return index. They are used daily ...
Estimação dos parâmetros do modelo de regressão linear simples pelo método não-paramétrico
(Universidade Federal de Santa Maria, 2005-12-02)
The most used method to estimate the angular and linear coefficients of
the line equation in simple linear regression model is the least square
method, in spite do the existence of another. The nonparametric method,
which ...
Análise de precipitação e temperatura do Rio Grande do Sul por meio de séries temporais
(Universidade Federal de Santa Maria, 2008-03-14)
Brazil is affected by differentiated precipitation regimes, mainly due to its large territorial extension, thus from north to south one can find many climates with different characteristics. Rio Grande do Sul’s economy is ...
Análise do processo de industrialização do feijão através dos gráficos de controle X e R
(Universidade Federal de Santa Maria, 2007-08-15)
The companies are concerned more and more to avoid losses in their productions. Therefore, in 1924, Walter Shewhart developed a statistical letter for the product variability control, with the intention of eliminating the ...