Search Results - "Ntzoufras, Ioannis"

On the identifiability of Bayesian factor analytic models by Papastamoulis, Panagiotis, Ntzoufras, Ioannis

“…A well known identifiability issue in factor analytic models is the invariance with respect to orthogonal transformations. This problem burdens the inference…”
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On the use of marginal posteriors in marginal likelihood estimation via importance sampling by Perrakis, Konstantinos, Ntzoufras, Ioannis, Tsionas, Efthymios G.

“…The efficiency of a marginal likelihood estimator where the product of the marginal posterior distributions is used as an importance sampling function is…”
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On Bayesian lasso variable selection and the specification of the shrinkage parameter by Lykou, Anastasia, Ntzoufras, Ioannis

“…We propose a Bayesian implementation of the lasso regression that accomplishes both shrinkage and variable selection. We focus on the appropriate specification…”
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Predictions of european basketball match results with machine learning algorithms by Tzai, Lampis, Ntzoufras, Ioannis, Vassalos, Vasilios, Dimitriou, Stavrianna

“…The goal of this paper is to build and compare methods for the prediction of the final outcomes of basketball games. In this study, we analyzed data from four…”
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Bayesian model averaging using power-expected-posterior priors by Fouskakis, Dimitris, Ntzoufras, Ioannis

“…This paper focuses on the Bayesian model average (BMA) using the power-expected-posterior prior in objective Bayesian variable selection under normal linear…”
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Gibbs Variable Selection Using BUGS by Ntzoufras, Ioannis

“…In this paper we discuss and present in detail the implementation of Gibbs variable selection as defined by Dellaportas et al. (2000, 2002) using the BUGS…”
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Joint Specification of Model Space and Parameter Space Prior Distributions by Dellaportas, Petros, Forster, Jonathan J., Ntzoufras, Ioannis

“…We consider the specification of prior distributions for Bayesian model comparison, focusing on regression-type models. We propose a particular joint…”
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Bivariate Poisson and Diagonal Inflated Bivariate Poisson Regression Models in R by Karlis, Dimitris, Ntzoufras, Ioannis

“…In this paper we present an R package called bivpois for maximum likelihood estimation of the parameters of bivariate and diagonal inflated bivariate Poisson…”
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Power-Expected-Posterior Priors as Mixtures of g-Priors in Normal Linear Models by Fouskakis, Dimitris, Ntzoufras, Ioannis

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A Bayesian quest for finding a unified model for predicting volleyball games by Egidi, Leonardo, Ntzoufras, Ioannis

“…Summary Volleyball is a team sport with unique and specific characteristics. We introduce a new two‐level hierarchical Bayesian model which accounts for these…”
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Prior Distributions for Objective Bayesian Analysis by Consonni, Guido, Fouskakis, Dimitris, Liseo, Brunero, Ntzoufras, Ioannis

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Inconsistency identification in network meta‐analysis via stochastic search variable selection by Seitidis, Georgios, Nikolakopoulos, Stavros, Ntzoufras, Ioannis, Mavridis, Dimitris

“…The reliability of the results of network meta‐analysis (NMA) lies in the plausibility of the key assumption of transitivity. This assumption implies that the…”
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Power-Conditional-Expected Priors: Using g-Priors With Random Imaginary Data for Variable Selection by Fouskakis, Dimitris, Ntzoufras, Ioannis

“…The Zellner's g-prior and its recent hierarchical extensions are the most popular default prior choices in the Bayesian variable selection context. These prior…”
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A Metropolized Adaptive Subspace Algorithm for High-Dimensional Bayesian Variable Selection by Staerk, Christian, Kateri, Maria, Ntzoufras, Ioannis

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Thermodynamic Bayesian model comparison by Vitoratou, Silia, Ntzoufras, Ioannis

“…Thermodynamics have been shown to have direct applications in Bayesian model evaluation. Within a tempered transitions scheme, the Boltzmann–Gibbs distribution…”
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Bayesian variable selection using the hyper‐g prior in WinBUGS by Perrakis, Konstantinos, Ntzoufras, Ioannis

“…The hyper‐g prior is a default choice for Bayesian variable selection in normal linear regression models. In this article we provide an overview of the…”
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Estimating team possessions in high-level European basketball competition by Charamis, Evangelos, Marmarinos, Christos, Ntzoufras, Ioannis

“…The focus of this work is to estimate the number of team possessions in Euroleague basketball for seasons 2017–18, 2018–19 and 2019–20. To achieve this goal,…”
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Assessing competitive balance in the English Premier League for over forty seasons using a stochastic block model by Basini, Francesca, Tsouli, Vasiliki, Ntzoufras, Ioannis, Friel, Nial

“…Abstract Competitive balance is of much interest in the sports analytics literature and beyond. We develop a statistical network model based on an extension of…”
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Variations of power-expected-posterior priors in normal regression models by Fouskakis, Dimitris, Ntzoufras, Ioannis, Perrakis, Konstantinos

“…The power-expected-posterior (PEP) prior is an objective prior for Gaussian linear models, which leads to consistent model selection inference, under the…”
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Bayesian models for prediction of the set-difference in volleyball by Ntzoufras, Ioannis, Palaskas, Vasilis, Drikos, Sotiris

“…Abstract We study and develop Bayesian models for the analysis of volleyball match outcomes as recorded by the set-difference. Due to the peculiarity of the…”
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