Papers › Monte Carlo Estimation of the Density of the Sum of Dependent Random Variables
Monte Carlo Estimation of the Density of the Sum of Dependent Random Variables
Patrick J. Laub, Robert Salomone, Zdravko I. Botev
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We study an unbiased estimator for the density of a sum of random variables that are simulated from a computer model. A numerical study on examples with copula dependence is conducted where the proposed estimator performs favourably in terms of variance compared to other unbiased estimators. We provide applications and extensions to the estimation of marginal densities in Bayesian statistics and to the estimation of the density of sums of random variables under Gaussian copula dependence.
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