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SAC
2015
ACM
3 years 4 months ago
de Finetti Priors using Markov chain Monte Carlo computations
Recent advances in Monte Carlo methods allow us to revisit work by de Finetti who suggested the use of approximate exchangeability in the analyses of contingency tables. This paper...
Sergio Bacallado, Persi Diaconis, Susan Holmes
SAC
2015
ACM
3 years 4 months ago
Cuts in Bayesian graphical models
Abstract The cut function defined by the OpenBUGS software is described as a “valve” that prevents feedback in Bayesian graphical models. It is shown that the MCMC algorithm a...
Martyn Plummer
SAC
2015
ACM
3 years 4 months ago
Restricted likelihood ratio tests for linearity in scalar-on-function regression
We propose a procedure for testing the linearity of a scalar-on-function regression relationship. To do so, we use the functional generalized additive model (FGAM), a recently dev...
Mathew W. McLean, Giles Hooker, David Ruppert
SAC
2015
ACM
3 years 4 months ago
Information matrix for hidden Markov models with covariates
For a general class of hidden Markov models that may include time-varying covariates, we illustrate how to compute the observed information matrix, which may be used to obtain sta...
Francesco Bartolucci, Alessio Farcomeni
SAC
2015
ACM
3 years 4 months ago
Group descent algorithms for nonconvex penalized linear and logistic regression models with grouped predictors
Penalized regression is an attractive framework for variable selection problems. Often, variables possess a grouping structure, and the relevant selection problem is that of selec...
Patrick Breheny, Jian Huang
SAC
2015
ACM
3 years 4 months ago
Sequential Monte Carlo methods for Bayesian elliptic inverse problems
Alexandros Beskos, Ajay Jasra, Ege A. Muzaffer, An...
SAC
2015
ACM
3 years 4 months ago
Comparing composite likelihood methods based on pairs for spatial Gaussian random fields
in Atti di convegno P. Bortot, C. Gaetan. A latent process model for temporal extremes SCANDINAVIAN JOURNAL OF STATISTICS, xxx; pp. 16 Articolo in rivista Bacro J-N , Gaetan C.. Es...
Moreno Bevilacqua, Carlo Gaetan
SAC
2015
ACM
3 years 4 months ago
An adaptive spatial model for precipitation data from multiple satellites over large regions
Satellite measurements have of late become an important source of information for climate features such as precipitation due to their near-global coverage. In this article, we look...
Avishek Chakraborty, Swarup De, Kenneth P. Bowman,...
SAC
2015
ACM
3 years 4 months ago
A focused information criterion for graphical models
A new method for model selection for Gaussian Bayesian networks and Markov networks, with extensions towards ancestral graphs, is constructed to have good mean squared error proper...
Eugen Pircalabelu, Gerda Claeskens, Lourens J. Wal...
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