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Jeffrey Tim Query, Evaristo Diz
Pág. 145 - 159
AbstractIn this study we examine the robustness of fit for a multivariate and an autoregressive integrated moving average model to a data sample time series type. The sample is a recurrent actuarial data set for a 10-year horizon. We utilize ...
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Pág. 1 - 33
Modeling and forecasting volatility have gained much interest among researchers as the use of volatility became widespread in financial data analysis. Several studies have been carried out to model stock market volatility in various countries. This paper...
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João Roberto Sartori Moreno, Celso Alves Corrêa, Elisangela Aparecida da Silva Lizzi, Émillyn Ferreira Trevisani Olivio, Paulo Sergio Olivio Filho, Ana Carla Santos da Silva, Tiago Felipe de Abreu Santos
Pág. e49807
The objective of this study was to analyze the flux-cored arc welding (FCAW) welding parameters and microhardness levels on surface quality of 410 NiMo martensitic stainless-steel coatings. The parameters of the FCAW process applied to the coating, inclu...
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Mirce Ivón Morales-Velázquez,Graciela del Socorro Herrera,Javier Aparicio,Arezoo Rafieeinasab,René Lobato-Sánchez
Pág. 189 - 206
Accurate precipitation data is essential for any hydrometeorological study, particularly for calibration and simulation of hydrological models. In this paper, we evaluate the precipitation of two different reanalysis products (the ERA5 and GLDAS), and tw...
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Anna Bakurova, Olesia Yuskiv, Dima Shyrokorad, Anton Riabenko, Elina Tereschenko
Pág. 14 - 22
The subject of the research is the methods of constructing and training neural networks as a nonlinear modeling apparatus for solving the problem of predicting the energy consumption of metallurgical enterprises. The purpose of this work is to develop a ...
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Clive E. Coetzee,Ewert P.J. Kleynhans
AbstractOrientation: Some recent studies have been published that demonstrated the value of remote sensing night-time lights as descriptors and/or proxies for human activity.Research purpose: This article investigated the association between night-time l...
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Marcele de Jesus Correa,Kellen Carla Lima,Jonathan Mota da Silva,Gilvandro César de Medeiros
Climatological data and the information obtained from these have great relevance for different activities performed by man, given the results contribute to decision-making in areas such as water management, urban climate and others. Due to their importan...
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Glauber Miranda de Carvalho,Hélio Marcos Fernandes Viana,Rubem Xerxes Trindade Rodrigues,João Paulo Freire Rocha,Gilson Rodrigues Junior
Pág. 99 - 116
O presente trabalho avaliou o comportamento do CBR, na energia intermediária de Proctor, quando são adicionadas porcentagens de 30%, 50% e 75% de brita 1, em massa, ao rejeito de manganês que foi coletado na região do município de Licínio de Almeida. O o...
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Lourdes Milagros Mendoza Villavicencio,David Mendes,Felipe Ferreira Monteiro,Lara de Melo Barbosa Andrade,Cássia Monalisa dos Santos Silva
This study was carried out in the Sibinacocha lake watershed in the Peruvian Andes. In this region the long-term meteorological data are scarce and there are few studies of flow forecasts. Based on this evidence, in this study we present the monthly flow...
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Lev Raskin,Oksana Sira
Pág. 11 - 18
Typical problems of the theory of statistical hypothesis testing are considered. All these problems belong to the same object area and are formulated in a single system of axioms and assumptions using a common linguistic thesaurus. However, different app...
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