Results 1 to 10 of about 38,389 (265)

Scaling up Bayesian population phylogenomics through virtual dimension reduction [PDF]

open access: yesNature Communications
Population phylogenomics uses sampled genomes to jointly infer population genetic processes (ancestral and contemporary population sizes, historical gene flow) and a phylogenetic tree relating species or populations including species split times.
Tomáš Flouri   +4 more
doaj   +2 more sources

A stable manifold MCMC method for high dimensions [PDF]

open access: yesStatistics and Probability Letters, 2014
We combine two important recent advancements of MCMC algorithms: first, methods utilizing the intrinsic manifold structure of the parameter space; then, algorithms effective for targets in infinite-dimensions with the critical property that their mixing time is robust to mesh refinement.
Alexandros Beskos
exaly   +4 more sources

On Estimation of P(Y < X) for Generalized Inverted Exponential Distribution Based on Hybrid Censored Data

open access: yesStatistica, 2021
Based on the hybrid censored samples, this article deals with the problem of point and interval estimation of the stress-strength reliability R = P(Y < X) when X and Y both have independent generalized inverted exponential distributions with different ...
Renu Garg, Kapil Kumar
doaj   +1 more source

Estimation of Cumulative Incidence Function in the Presence of Middle Censoring Using Improper Gompertz Distribution

open access: yesStatistica, 2021
In this paper we deal with the modelling of cumulative incidence function using improper Gompertz distribution based on middle censored competing risks survival data. Together with the unknown parameters, cumulative incidence function also estimated.
Habbiburr Rehman, Navin Chandra
doaj   +1 more source

Bayesian back analysis considering constraints

open access: yesYantu gongcheng xuebao, 2021
Soil parameters significantly affect the prediction performance of geotechnical models. In the field of parameter identification, the MCMC-based Bayesian method is an effective way to infer the probability distribution of soil parameters.
TAO Yuan-qin 1 , SUN Hong-lei 2, CAI Yuan-qiang 1, 2
doaj   +1 more source

MCMC METHODS FOR DIFFUSION BRIDGES [PDF]

open access: yesStochastics and Dynamics, 2008
We present and study a Langevin MCMC approach for sampling nonlinear diffusion bridges. The method is based on recent theory concerning stochastic partial differential equations (SPDEs) reversible with respect to the target bridge, derived by applying the Langevin idea on the bridge pathspace.
Beskos, Alexandros   +3 more
openaire   +3 more sources

An MCMC Method to Sample from Lattice Distributions [PDF]

open access: yes2021 IEEE International Symposium on Information Theory (ISIT), 2021
11 pages, 7 ...
Anand Jerry George, Navin Kashyap
openaire   +2 more sources

Parameter estimation for X-ray scattering analysis with Hamiltonian Markov Chain Monte Carlo

open access: yesJournal of Synchrotron Radiation, 2022
Bayesian-inference-based approaches, in particular the random-walk Markov Chain Monte Carlo (MCMC) method, have received much attention recently for X-ray scattering analysis.
Zhang Jiang   +4 more
doaj   +1 more source

Neural Langevin Dynamical Sampling

open access: yesIEEE Access, 2020
Sampling technique is one of the asymptotically unbiased estimation approaches for inference in Bayesian probabilistic models. Markov chain Monte Carlo (MCMC) is a kind of sampling methods, which is widely used in the inference of complex probabilistic ...
Minghao Gu, Shiliang Sun
doaj   +1 more source

The shifted ODE method for underdamped Langevin MCMC

open access: yesCoRR, 2021
In this paper, we consider the underdamped Langevin diffusion (ULD) and propose a numerical approximation using its associated ordinary differential equation (ODE). When used as a Markov Chain Monte Carlo (MCMC) algorithm, we show that the ODE approximation achieves a $2$-Wasserstein error of $\varepsilon$ in $\mathcal{O}\big(d^{\frac{1}{3 ...
James Foster   +2 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy