• No results found

Markov chain Monte Carlo simulations

Speculative moves : multithreading Markov Chain Monte Carlo programs

Speculative moves : multithreading Markov Chain Monte Carlo programs

... of Markov Chain Monte Carlo simulations by using SMP machines to speculatively perform iterations in parallel, reducing the runtime of MCMC programs whilst producing statistically ...

13

Markov Chain Monte Carlo

Markov Chain Monte Carlo

... This is good news and bad news. It is good news because, unlike the cases of rejection sampling and importance sampling, there is no catastrophic dependence on the dimensionality N. Our computer will give useful answers ...

30

Markov chain Monte Carlo on the GPU

Markov chain Monte Carlo on the GPU

... This thesis is of importance due to the fact that Markov chain simulations are used in a wide variety of fields from statistical physics and biology, to AI, and pure mathematics. Over the past few ...

38

Multilevel Markov chain Monte Carlo

Multilevel Markov chain Monte Carlo

... the quantity itself. The new algorithm was then analysed and implemented for a single-phase Darcy flow problem in groundwater modelling, confirming the effectiveness of the algorithm. The algorithm presented in this ...

32

Multilevel Markov Chain Monte Carlo

Multilevel Markov Chain Monte Carlo

... 6. Conclusion. Bayesian inverse problems in large-scale applications are often too costly to solve using conventional Metropolis–Hastings MCMC algorithms due to the high dimen- sion of the parameter space and the large ...

38

Deep Markov Chain Monte Carlo

Deep Markov Chain Monte Carlo

... The best of both worlds It is reasonable to think that a combination of both methods might be able to mitigate their shortcomings. An early attempt in this direction was the work of [20], where a variational ...

16

Pseudo extended Markov chain Monte Carlo

Pseudo extended Markov chain Monte Carlo

... Table 2: Root mean-squared error of moment estimates for two mixture scenarios. The first row corresponds to the results for pseudo-extended MCMC when β is estimated and the remaining cases are for fixed β = [0.1, 0.2, ...

18

Pseudo-extended Markov chain Monte Carlo

Pseudo-extended Markov chain Monte Carlo

... The results of Table 1 show that all of the samplers, with the exception of HMC, provide accurate estimates of the first two moments of the target. Under scenario (a), the HMC sampler produces significantly biased ...

26

Non-linear Markov Chain Monte Carlo

Non-linear Markov Chain Monte Carlo

... non-linear Markov Chain Monte Carlo (MCMC) methods for simulating from a probability measure ...Non-linear Markov kernels ...Self-Interacting Markov Chains (Del Moral & Miclo ...

6

Perceptual multistability as Markov Chain Monte Carlo inference

Perceptual multistability as Markov Chain Monte Carlo inference

... our simulations: µ = 0, λ = ...some simulations, we systematically ma- nipulated certain parameters to demonstrate their role in the ...all simulations we used a Gaussian proposal (with standard ...

9

Uncovering mental representations with Markov chain Monte Carlo

Uncovering mental representations with Markov chain Monte Carlo

... Conclusion Markov chain Monte Carlo is one of the basic tools in modern statistical computing, providing the basis for numerical simulations conducted in a wide range of ...

57

Estimating Demands with a Markov Chain Monte Carlo Approach

Estimating Demands with a Markov Chain Monte Carlo Approach

... in Proc.World Water and Environmental Resources Congress, Anchorage, AK: ASCE, 2005. H. Lee, D. Higdon, Z. Bi, M. Ferreira, and M. West, “Markov Random Field Models for High-Dimensional Parameters in ...

5

Bayesian generalised ensemble Markov chain Monte Carlo

Bayesian generalised ensemble Markov chain Monte Carlo

... tage of the Bayesian approach, since the target ensem- ble is the same for the two algorithms. On all four models AIS performs well at a low num- ber of MC steps, and for the Ising models AIS is one of the best methods. ...

9

Markov chain Monte Carlo

Markov chain Monte Carlo

... A brief introduction to Markov chains The properties of the chain depend on P. The chain is irreducible if p ij pkq ¡ 0, for all i, j, and at least one k. aperiodic if all states have period 1: that ...

105

Aspects of population Markov chain Monte Carlo and reversible jump Markov chain Monte Carlo

Aspects of population Markov chain Monte Carlo and reversible jump Markov chain Monte Carlo

... sampling space. The chains run in parallel and interact with each other in var- ious ways (Gilks et al. (1994), Neal (1996), Liang and Wong (2001)). Hence, a population of chains explores the current state and defines ...

202

Markov Chain Monte Carlo Technology

Markov Chain Monte Carlo Technology

... 2 Markov chains Markov chain Monte Carlo is a method to sample a given multivariate distri- bution π ∗ by constructing a suitable Markov chain with the property that its ...

35

Parallel Markov Chain Monte Carlo

Parallel Markov Chain Monte Carlo

... This introductory chapter describes the layout of this thesis, its primary contribu- tions, and introduces the terminology that will be used throughout the document. Chapter 2 presents the background research relevant to ...

209

Introduction to Markov Chain Monte Carlo

Introduction to Markov Chain Monte Carlo

... MCMC does that by constructing a Markov Chain with stationary distribution  and simulating the chain... MCMC: Uniform Sampler[r] ...

23

Introduction to Markov Chain Monte Carlo

Introduction to Markov Chain Monte Carlo

... a Markov chain, but tell little that cannot be seen at a glance at a time series plot like Figure ...a Markov chain started at different points, what we called the multistart heuristic ...the ...

46

Tutorial on Markov Chain Monte Carlo

Tutorial on Markov Chain Monte Carlo

... – Multiple runs starting with different random number seed confirm MCMC sequences have converged to the target pdf.. Conclusions[r] ...

26

Show all 10000 documents...

Related subjects