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Markov chain Monte Carlo procedure

Bayesian Clustering Using Hidden Markov Random Fields in Spatial Population Genetics

Bayesian Clustering Using Hidden Markov Random Fields in Spatial Population Genetics

... hidden Markov random field, which models the spatial dependencies at the cluster membership ...a Markov chain Monte Carlo procedure can implement the algorithm efficiently, (ii) ...

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Bayesian Inference for PCFGs via Markov Chain Monte Carlo

Bayesian Inference for PCFGs via Markov Chain Monte Carlo

... two Markov chain Monte Carlo algorithms (a Gibbs and a Hastings sampling algorithm) for sampling from the posterior distribution over parse trees given a corpus of their yields and a Dirichlet ...

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Perceptual multistability as Markov Chain Monte Carlo inference

Perceptual multistability as Markov Chain Monte Carlo inference

... inference procedure by attributing the exponential dynamics to the opera- tion of MCMC on individual nodes in the MRF, rather than a memory decay process on individual ...

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On Markov chain Monte Carlo methods for tall data

On Markov chain Monte Carlo methods for tall data

... (21) with u ∼ U [0,1] drawn beforehand, statistical tests can be used to assert whether (21) holds with a given level of “confidence”. As far as we are aware, Bulgak and Sanders (1988) were the first to consider such a ...

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Markov chain monte carlo algorithm for bayesian policy search

Markov chain monte carlo algorithm for bayesian policy search

... For the model-based case an explicit model of the system dynamics and the structure of the reward function can be learned. For instance, Wilson et al. (2014) put GPs on the model dynamics and attempt to learn their ...

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Particle Gibbs with Ancestor Sampling

Particle Gibbs with Ancestor Sampling

... Particle Markov chain Monte Carlo (PMCMC) is a systematic way of combining the two main tools used for Monte Carlo statistical inference: sequential Monte Carlo ...

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Uncovering mental representations with Markov chain Monte Carlo

Uncovering mental representations with Markov chain Monte Carlo

... The procedure that we develop for sampling from these mental representations is based on a method for drawing samples from complex probability distributions known as Markov chain Monte ...

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II. DEVELOPING A NEW ALGORITHM

II. DEVELOPING A NEW ALGORITHM

... We present a non-parametric multiple imputation algorithm –GMI—for imputing missing data. The idea of the algorithm is based on the concept of GRNN. We tested our algorithms on fifteen real world datasets and thirty ...

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Markov Chain Monte Carlo to Study the Estimation of the Coefficient of Variation

Markov Chain Monte Carlo to Study the Estimation of the Coefficient of Variation

... the chain for 10 000 times and discard the first 1000 values as ...bootstrap procedure to gener- ate the sampling distribution of CV based on the observed seven upper record ...

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Stability of sequential Markov Chain Monte Carlo methods

Stability of sequential Markov Chain Monte Carlo methods

... In a first step, we study the stability properties of nonlinear flows of probability measures describing the limit as the number N of particles goes to infinity. In the follow-up work [13] we will apply these results to ...

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Speculative moves : multithreading Markov Chain Monte Carlo programs

Speculative moves : multithreading Markov Chain Monte Carlo programs

... the chain to reach ...a chain that has reached equilibrium (converged) may be ...a chain has converged (and therefore may be sampled) is an unsolved problem beyond the scope of this ...

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Stochastic Gradient Richardson-Romberg Markov Chain Monte Carlo

Stochastic Gradient Richardson-Romberg Markov Chain Monte Carlo

... In order to assess the performance of the proposed method, we conduct several experiments on both synthetic and real datasets. We first apply our method on a rather simple Gaussian model whose posterior distribution is ...

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On the containment condition for adaptive Markov Chain Monte Carlo algorithms

On the containment condition for adaptive Markov Chain Monte Carlo algorithms

... decreasing, and at least exponentially tailed. However, for adaptive Metropolis-within-Gibbs algo- rithms, the target density is only required to be exponentially tailed on the direction of coordinates, and strong ...

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MODELLING OF STOCK PRICES BY THE MARKOV CHAIN MONTE CARLO METHOD

MODELLING OF STOCK PRICES BY THE MARKOV CHAIN MONTE CARLO METHOD

... Every model should give adequate results and compare to other known models or techniques. Making the model hold this is called a calibration. In this case, the new technique for modelling stock prices must give similar ...

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Some contributions to particle Markov chain Monte Carlo algorithms

Some contributions to particle Markov chain Monte Carlo algorithms

... hidden Markov models [13] whose observa- tions have intractable density ...sequential Monte Carlo ([29], [28], [43]) algorithm and a new particle marginal Metropolis-Hastings [2] al- gorithm for ...

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Nonlinear applications of Markov Chain Monte Carlo

Nonlinear applications of Markov Chain Monte Carlo

... Markov Chain Monte Carlo in Practice, chapter Hypothesis testing and Model Selection, pages 163–188.. [practical markov chain monte carlo]: Comment: One long run with diagnostics: Implem[r] ...

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Designing An Efficient Real Time Summon Acuity System For Physically Drained Human

Designing An Efficient Real Time Summon Acuity System For Physically Drained Human

... In this section, the centroids of the face and hand regions were extracted to initialize the tracking stage. Skin and nonskin color histograms were created using HSV color space to obtain the mask image as shown in ...

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Principled Selection of Hyperparameters in the Latent Dirichlet Allocation Model

Principled Selection of Hyperparameters in the Latent Dirichlet Allocation Model

... each chain was run for 100,000 ...tempering chain `, for ` = 1, ...long chain, using the method described in Theorem 1; the two methods use about the same computational ...

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Cascade source inference in networks: a Markov chain Monte Carlo approach

Cascade source inference in networks: a Markov chain Monte Carlo approach

... In this paper, we work on the problem of detecting the source node that is responsible for a given cascade. We first formulate the source inference problem in the IC model and prove its #P-completeness. Then, a ...

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Accelerating Markov chain Monte Carlo via parallel predictive prefetching

Accelerating Markov chain Monte Carlo via parallel predictive prefetching

... thors start with a reversible unbiased random walk on a one-dimensional finite lattice and then make two copies of the state space, one ‘upstairs’ for transitions to the ‘right’ and one ‘downstairs’ for transitions to ...

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