Mostrando ítems 1-10 de 1134
Uso de conhecimento teórico e de especialista para previsão de demanda.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia de Produção - PPGEP, 2004-01-30)
In a highly competitive market as the actual one, the production management must ensure that goods and services are supplied to the customers in right time, so they can offer a competitive advantage or, at least, can be ...
Análise e proposta de melhoria do processo de previsão de demanda em uma pequena empresa do setor de cosméticos
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia de Produção - PPGEP, 2011-07-06)
Nowadays, even small-sized enterprises are investing in integrated management systems, called ERP (Enterprise Resource Planning), as a way to solve planning problems and to better control their cash flow. However, these ...
Forecasting activity using sentiment indicators : the case of Chile
(Universidad de Chile, 2016-03)
In this article we evaluate, in several dimensions, the ability of two sentiment indicators, consumers and business, to forecast year-on-year variation of Chilean activity. We do in-sample and out-of-sample exercises to ...
Return predictability : the Campbell and Shiller cyclically-adjusted price-to-earnings ratio
(Universidad de San Andrés. Departamento de Economía, 2016)
Método bagging para aprimoramento de previsões de séries temporais
(Universidade Federal de São CarlosUFSCarPrograma Interinstitucional de Pós-Graduação em Estatística - PIPGEsCâmpus São Carlos, 2021-10-22)
Different methodologies are proposed and explored aiming to reduce time series forecasting
error. A promising approach consists in combining different forecasts from different models
in order to get a better accuracy, ...
Uma abordagem baseada em redes neurais artificiais e clusterização para previsão de curto prazo da demanda de energia elétrica
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência da Computação - PPGCCCâmpus São Carlos, 2018-08-18)
Electricity plays a crucial role in the development of a country because it directly influences many sectors of the society. In this sense, the demand forecasting is of paramount importance for the maintenance and growth ...
Enriquecendo a previsão de séries temporais usando informação textual
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência da Computação - PPGCCCâmpus São Carlos, 2021-02-25)
The ability to extract knowledge and forecast stock trends is crucial to mitigate investors' risks and uncertainties in the market. The stock trend is affected by non-linearity, complexity, noise, and especially the ...
Uma avaliação de métodos de previsão aplicados à grandes quantidades de séries temporais univariadas
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Estatística - PPGEs, 2012-12-06)
Time series forecasting is probably one of the most primordial interests on economics and econometrics, and the literature on this subject is extremely vast. Due to technological growth in recent decades, large amounts of ...
Enhancing solar flare forecasting: a multi-class and multi-label classification approach to handle imbalanced time series
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência da Computação - PPGCCCâmpus São Carlos, 2019-06-21)
Solar flares are huge releases of energy from the Sun. They are categorized in five levels
according to their potential damage to Earth (A, B, C, M, and X) and may produce strong
impacts to communication systems, threatening ...