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Title: Bayesian Static Parameter Estimation for Partially Observed Diffusions via Multilevel Monte Carlo

Journal Article · · SIAM Journal on Scientific Computing
DOI:https://doi.org/10.1137/17m1112595· OSTI ID:1862173
 [1];  [2]; ORCiD logo [3];  [1]
  1. National Univ. of Singapore (Singapore)
  2. Osaka Univ. (Japan)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

In this article we consider static Bayesian parameter estimation for partially observed diffusions that are discretely observed. We work under the assumption that one must resort to discretizing the underlying diffusion process, for instance, using the Euler--Maruyama method. Given this assumption, we show how one can use Markov chain Monte Carlo (MCMC) and particularly particle MCMC [C. Andrieu, A. Doucet, and R. Holenstein, J. R. Stat. Soc. Ser. B Stat. Methodol., 72 (2010), 269--342] to implement a new approximation of the multilevel (ML) Monte Carlo (MC) collapsing sum identity. Our approach comprises constructing an approximate coupling of the posterior density of the joint distribution over parameter and hidden variables at two different discretization levels and then correcting by an importance sampling method. The variance of the weights are independent of the length of the observed data set. The utility of such a method is that, for a prescribed level of mean square error, the cost of this MLMC method is provably less than i.i.d. sampling from the posterior associated to the most precise discretization. However the method here comprises using only known and efficient simulation methodologies. Finally, the theoretical results are illustrated by inference of the parameters of two prototypical processes given noisy partial observations of the process: the first is an Ornstein--Uhlenbeck process and the second is a more general Langevin equation.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1862173
Journal Information:
SIAM Journal on Scientific Computing, Vol. 40, Issue 2; ISSN 1064-8275
Publisher:
Society for Industrial and Applied Mathematics (SIAM)Copyright Statement
Country of Publication:
United States
Language:
English

References (12)

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On coupling particle filter trajectories journal March 2017
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A Hierarchical Multilevel Markov Chain Monte Carlo Algorithm with Applications to Uncertainty Quantification in Subsurface Flow journal January 2015
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The correlated pseudomarginal method
  • Deligiannidis, George; Doucet, Arnaud; Pitt, Michael K.
  • Journal of the Royal Statistical Society: Series B (Statistical Methodology), Vol. 80, Issue 5 https://doi.org/10.1111/rssb.12280
journal July 2018
A Hierarchical Multilevel Markov Chain Monte Carlo Algorithm with Applications to Uncertainty Quantification in Subsurface Flow preprint January 2013
Coupling of Particle Filters preprint January 2016

Cited By (7)

Multilevel Monte Carlo in approximate Bayesian computation journal January 2019
Multilevel Monte Carlo in Approximate Bayesian Computation preprint January 2017
Simulation and inference algorithms for stochastic biochemical reaction networks: from basic concepts to state-of-the-art text January 2018
Simulation and inference algorithms for stochastic biochemical reaction networks: from basic concepts to state-of-the-art journal February 2019
Multi-Index Sequential Monte Carlo Methods for Partially Observed Stochastic Partial Differential Equations journal January 2021
A Multi-Index Markov Chain Monte Carlo Method preprint January 2017
Advanced Multilevel Monte Carlo Methods preprint January 2017

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