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- W1636242544 abstract "Copula has become the standard tool in financial dependence modeling. This paper proposes a novel nonparametric bivariate copula estimation method which smooths empirical copula with shape-restricted least squares support vector regression. This method exploits a priori shape knowledge of copula function: boundary and 2-increasing, by supplementing the classical support vector regression with shape-related constraints on an equidistant grid of the support [0,1]^2. Its training can be reformulated to a convex quadratic program, which is computationally tractable. Experiments on both an artificial data set and financial time series clearly show that it has good finite sample property and can achieve significantly better performance than parametric methods and kernel smoother." @default.
- W1636242544 created "2016-06-24" @default.
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- W1636242544 date "2013-04-17" @default.
- W1636242544 modified "2023-09-24" @default.
- W1636242544 title "Modeling financial dependence with support vector regression" @default.
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- W1636242544 doi "https://doi.org/10.3233/ida-130576" @default.
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