Girolami, M and Calderhead, B (2011) Riemann manifold Langevin and Hamiltonian Monte Carlo methods. J R STAT SOC B , 73 123 - 214. 10.1111/j.1467-9868.2010.00765.x.
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The paper proposes Metropolis adjusted Langevin and Hamiltonian Monte Carlo sampling methods defined on the Riemann manifold to resolve the shortcomings of existing Monte Carlo algorithms when sampling from target densities that may be high dimensional and exhibit strong correlations. The methods provide fully automated adaptation mechanisms that circumvent the costly pilot runs that are required to tune proposal densities for Metropolis-Hastings or indeed Hamiltonian Monte Carlo and Metropolis adjusted Langevin algorithms. This allows for highly efficient sampling even in very high dimensions where different scalings may be required for the transient and stationary phases of the Markov chain. The methodology proposed exploits the Riemann geometry of the parameter space of statistical models and thus automatically adapts to the local structure when simulating paths across this manifold, providing highly efficient convergence and exploration of the target density. The performance of these Riemann manifold Monte Carlo methods is rigorously assessed by performing inference on logistic regression models, log-Gaussian Cox point processes, stochastic volatility models and Bayesian estimation of dynamic systems described by non-linear differential equations. Substantial improvements in the time-normalized effective sample size are reported when compared with alternative sampling approaches. MATLAB code that is available from http://www.ucl.ac.uk/statistics/research/rmhmc allows replication of all the results reported.
|Title:||Riemann manifold Langevin and Hamiltonian Monte Carlo methods|
|Keywords:||Bayesian inference, Geometry in statistics, Hamiltonian Monte Carlo methods, Langevin diffusion, Markov chain Monte Carlo methods, Riemann manifolds, MULTINOMIAL PROBIT MODEL, METROPOLIS-HASTINGS ALGORITHMS, LINEAR MIXED MODELS, MARKOV-CHAIN, BAYESIAN-ANALYSIS, FISHER INFORMATION, ADAPTIVE MCMC, DIFFERENTIAL GEOMETRY, EXPONENTIAL-FAMILIES, STOCHASTIC EPIDEMICS|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > CoMPLEX - Maths and Physics in the Life Sciences and Experimental Biology|
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Statistical Science
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