A comparison of Monte Carlo-based Bayesian parameter estimation methods for stochastic models of genetic networks.

We compare three state-of-the-art Bayesian inference methods for the estimation of the unknown parameters in a stochastic model of a genetic network. In particular, we introduce a stochastic version of the paradigmatic synthetic multicellular clock model proposed by Ullner et al., 2007. By introduci...

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Main Authors: Inés P Mariño, Alexey Zaikin, Joaquín Míguez
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5552360?pdf=render
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author Inés P Mariño
Alexey Zaikin
Joaquín Míguez
author_facet Inés P Mariño
Alexey Zaikin
Joaquín Míguez
author_sort Inés P Mariño
collection DOAJ
description We compare three state-of-the-art Bayesian inference methods for the estimation of the unknown parameters in a stochastic model of a genetic network. In particular, we introduce a stochastic version of the paradigmatic synthetic multicellular clock model proposed by Ullner et al., 2007. By introducing dynamical noise in the model and assuming that the partial observations of the system are contaminated by additive noise, we enable a principled mechanism to represent experimental uncertainties in the synthesis of the multicellular system and pave the way for the design of probabilistic methods for the estimation of any unknowns in the model. Within this setup, we tackle the Bayesian estimation of a subset of the model parameters. Specifically, we compare three Monte Carlo based numerical methods for the approximation of the posterior probability density function of the unknown parameters given a set of partial and noisy observations of the system. The schemes we assess are the particle Metropolis-Hastings (PMH) algorithm, the nonlinear population Monte Carlo (NPMC) method and the approximate Bayesian computation sequential Monte Carlo (ABC-SMC) scheme. We present an extensive numerical simulation study, which shows that while the three techniques can effectively solve the problem there are significant differences both in estimation accuracy and computational efficiency.
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spelling doaj.art-ab6f4e0c41f54f998c3df3a01f303b382022-12-21T19:28:03ZengPublic Library of Science (PLoS)PLoS ONE1932-62032017-01-01128e018201510.1371/journal.pone.0182015A comparison of Monte Carlo-based Bayesian parameter estimation methods for stochastic models of genetic networks.Inés P MariñoAlexey ZaikinJoaquín MíguezWe compare three state-of-the-art Bayesian inference methods for the estimation of the unknown parameters in a stochastic model of a genetic network. In particular, we introduce a stochastic version of the paradigmatic synthetic multicellular clock model proposed by Ullner et al., 2007. By introducing dynamical noise in the model and assuming that the partial observations of the system are contaminated by additive noise, we enable a principled mechanism to represent experimental uncertainties in the synthesis of the multicellular system and pave the way for the design of probabilistic methods for the estimation of any unknowns in the model. Within this setup, we tackle the Bayesian estimation of a subset of the model parameters. Specifically, we compare three Monte Carlo based numerical methods for the approximation of the posterior probability density function of the unknown parameters given a set of partial and noisy observations of the system. The schemes we assess are the particle Metropolis-Hastings (PMH) algorithm, the nonlinear population Monte Carlo (NPMC) method and the approximate Bayesian computation sequential Monte Carlo (ABC-SMC) scheme. We present an extensive numerical simulation study, which shows that while the three techniques can effectively solve the problem there are significant differences both in estimation accuracy and computational efficiency.http://europepmc.org/articles/PMC5552360?pdf=render
spellingShingle Inés P Mariño
Alexey Zaikin
Joaquín Míguez
A comparison of Monte Carlo-based Bayesian parameter estimation methods for stochastic models of genetic networks.
PLoS ONE
title A comparison of Monte Carlo-based Bayesian parameter estimation methods for stochastic models of genetic networks.
title_full A comparison of Monte Carlo-based Bayesian parameter estimation methods for stochastic models of genetic networks.
title_fullStr A comparison of Monte Carlo-based Bayesian parameter estimation methods for stochastic models of genetic networks.
title_full_unstemmed A comparison of Monte Carlo-based Bayesian parameter estimation methods for stochastic models of genetic networks.
title_short A comparison of Monte Carlo-based Bayesian parameter estimation methods for stochastic models of genetic networks.
title_sort comparison of monte carlo based bayesian parameter estimation methods for stochastic models of genetic networks
url http://europepmc.org/articles/PMC5552360?pdf=render
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