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1.261  Articles
1 of 127 pages  |  10  records  |  more records»
Penelitian ini memodelkan gambar menggunakan copula Gaussian. Metode pemodelan yang bersifat fleksibel karena tidak mensyaratkan distribusi normal pada nilai piksel gambar. Masalah kompleksitas komputasi yang disebabkan oleh dimensi data yang besar akan d... see more

Kebakaran hutan dan lahan selalu terjadi setiap tahunnya di Indonesia. Luas area terbakar memiliki hubungan tidak langsung dengan curah hujan. Fungsi copula dapat memodelkan hubungan bivariat curah hujan sebagai iklim global dengan kebakaran hutan, khusus... see more

É cada vez mais  frequente o número de pacientes que chegam para atendimento nos serviços de emergência vítimas de traumatismo na coluna vertebral. Neste artigo, avaliou-se pacientes submetidos a tratamento cirúrgico por fraturas da coluna na região ... see more

É cada vez mais  frequente o número de pacientes que chegam para atendimento nos serviços de emergência vítimas de traumatismo na coluna vertebral. Neste artigo, avaliou-se pacientes submetidos a tratamento cirúrgico por fraturas da coluna na região ... see more

The copula theory is a fundamental instrument used in modeling multivariate distributions. It defines the joint distribution via the marginal distributions together with the dependence between variables. Copulas can also model dynamic structures. This pap... see more

Copula is already widely used in financial assets, especially in risk management. It is due to the ability of copula, to capture the nonlinear dependence structure on multivariate assets. In addition, using copula function doesn’t require the assumption o... see more

This article aims to test the hypothesis of contagion between the indices of financial markets from the United States into Brazil, Japan and the UK for the 2000 to 2009 period. Time varying copulas were used to capture the impact of the sub-prime crisis i... see more

In this paper we propose the local maximum likelihood method for dynamically estimate copula parameters. We study the estimates statistical properties and derive the expression for their asymptotic variance in the case of Gaussian copulas. The local estim... see more

Especially for periods of drought, the higher the accuracy of reservoir inflow forecasting is, the more reliable the water supply from a dam is. This article focuses on the probabilistic forecasting of quarterly inflow to reservoirs, which determines esti... see more

1 of 127 pages  |  10  records  |  more records»