2015
DOI: 10.1214/14-sts511
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On Particle Methods for Parameter Estimation in State-Space Models

Abstract: Nonlinear non-Gaussian state-space models are ubiquitous in statistics, econometrics, information engineering and signal processing. Particle methods, also known as Sequential Monte Carlo (SMC) methods, provide reliable numerical approximations to the associated state inference problems. However, in most applications, the state-space model of interest also depends on unknown static parameters that need to be estimated from the data. In this context, standard particle methods fail and it is necessary to rely on… Show more

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Cited by 410 publications
(368 citation statements)
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References 95 publications
(199 reference statements)
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“…Usually, marginalization is implemented in an off-line manner. Data augmentation estimates the unknown parameters together with the states [11,18]. In other words, the data augmentation performs parameter estimation by extending the state with the unknown parameters and transforming the problem into an optimal filtering problem.…”
Section: Parameter Estimationmentioning
confidence: 99%
“…Usually, marginalization is implemented in an off-line manner. Data augmentation estimates the unknown parameters together with the states [11,18]. In other words, the data augmentation performs parameter estimation by extending the state with the unknown parameters and transforming the problem into an optimal filtering problem.…”
Section: Parameter Estimationmentioning
confidence: 99%
“…We present the auxiliary particle filter (APF) (Pitt and Shephard, 1999) here, as it covers a class of particle filter algorithms (Kantas et al, 2015) and is widely used in parameter and state estimation (Liu and West, 2001;Flury and Shephard, 2011). Let the proposal be q(x t , y t |x t−1 , ϕ) = q(x t |y t , x t−1 , ϕ)q(y t |x t−1 , ϕ), where q(x t |y t , x t−1 , ϕ) is a probability density function which is easy to sample from and q(y t |x t−1 , ϕ) is a nonnegative function that can be evaluated.…”
Section: Problem Statement and Particle Filter Algorithmmentioning
confidence: 99%
“…As studied by Liu and West (2001), they use a shrinkage strategy for kernel locations and variances estimation in order to removes the over-dispersion of the variances. Although this method works satisfactorily with a careful chosen shrinkage strategy, more efficient approach are still worth for further exploration (Kantas et al, 2015).…”
Section: Problem Statement and Particle Filter Algorithmmentioning
confidence: 99%
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“…A recent overview of methods available to address this problem is provided by Kantas et al (2015). Here we focus upon the particular approach of Particle Markov chain Monte Carlo (PMCMC), developed by Andrieu et al (2010) PMCMC employs particle methods within MCMC to update the latent state sequence (either using MetropolisHastings or Gibbs-Sampler type updates).…”
Section: Introductionmentioning
confidence: 99%