39 citations · 140 across the 29 of their papers we have counts for
5 papers · 1 filter
The G-Wishart Weighted Proposal Algorithm: Efficient Posterior Computation for Gaussian Graphical Models
Willem van den Boom, Alexandros Beskos, Maria De Iorio
Gaussian graphical models can capture complex dependency structures among variables. For such models, Bayesian inference is attractive as it provides principled ways to incorporate…
Unbiased approximation of posteriors via coupled particle Markov chain Monte Carlo
Willem van den Boom, Ajay Jasra, Maria De Iorio +2
Markov chain Monte Carlo (MCMC) is a powerful methodology for the approximation of posterior distributions. However, the iterative nature of MCMC does not naturally facilitate its…
A simulation approach for change-points on phylogenetic trees
Adam Persing, Ajay Jasra, Alexandros Beskos +2
We observe sequences at each of sites, and assume that they have evolved from an ancestral sequence that forms the root of a binary tree of known topology and branch length…
Computational Methods for a Class of Network Models
Junshan Wang, Ajay Jasra, Maria De Iorio
In the following article we provide an exposition of exact computational methods to perform parameter inference from partially observed network models. In particular, we consider t…
The Time Machine: A Simulation Approach for Stochastic Trees
Ajay Jasra, Maria De Iorio, Marc Chadeau-Hyam
In the following paper we consider a simulation technique for stochastic trees. One of the most important areas in computational genetics is the calculation and subsequent maximiza…