English
Related papers

Related papers: The reliability of the AIC method in Cosmological …

200 papers

The asteroseismic modelling of solar-like stars has proved to be valuable in constraining dark matter. In this work we study for the first time the influence of asymmetric dark matter (ADM) in the evolution of a subgiant star (KIC 8228742)…

Solar and Stellar Astrophysics · Physics 2021-09-28 João Rato , José Lopes , Ilídio Lopes

We extract observational constraints on $f(T)$ gravity, using the recently proposed statistical method which is not affected by the value of $H_0$ and thus it bypasses the problem of the disagreement in its exact numerical value between…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-15 S. Basilakos , S. Nesseris , F. K. Anagnostopoulos , E. N. Saridakis

The identification of the lag length for vector autoregressive models by mean of Akaike Information Criterion (AIC), Partial Autoregressive and Correlation Matrices (PAM and PCM hereafter) is studied in the framework of processes with time…

Methodology · Statistics 2013-08-27 Hamdi RaÏssi

Performing model selection between Gibbs random fields is a very challenging task. Indeed, due to the Markovian dependence structure, the normalizing constant of the fields cannot be computed using standard analytical or numerical methods.…

Computation · Statistics 2019-09-04 Julien Stoehr , Jean-Michel Marin , Pierre Pudlo

In this paper, an alpha-beta-skew-logistic distribution is proposed following the same methodology as those of alpha-beta-skew-normal of Shafiei et al. (2016) and investigated some of its related distributional properties. Finally, the…

Statistics Theory · Mathematics 2019-10-29 Sricharan Shah , Partha Jyoti Hazarika

For predictive evaluation based on quasi-posterior distributions, we develop a new information criterion, the posterior covariance information criterion (PCIC. PCIC generalises the widely applicable information criterion WAIC so as to…

Methodology · Statistics 2023-01-26 Yukito Iba , Keisuke Yano

A stochastic search method, the so-called Adaptive Subspace (AdaSub) method, is proposed for variable selection in high-dimensional linear regression models. The method aims at finding the best model with respect to a certain model…

Computation · Statistics 2021-04-20 Christian Staerk , Maria Kateri , Ioannis Ntzoufras

An important issue in many multivariate regression problems is to eliminate candidate predictors with null predictor vectors. In large-dimensional (LD) setting where the numbers of responses and predictors are large, model selection…

Statistics Theory · Mathematics 2023-04-26 Zhidong Bai , Kwok Pui Choi , Yasunori Fujikoshi , Jiang Hu

Approximate Bayesian computation (ABC) has become an essential part of the Bayesian toolbox for addressing problems in which the likelihood is prohibitively expensive or entirely unknown, making it intractable. ABC defines a…

Methodology · Statistics 2020-07-14 Hien D. Nguyen , Julyan Arbel , Hongliang Lü , Florence Forbes

Statistical inference is considered for variables of interest, called primary variables, when auxiliary variables are observed along with the primary variables. We consider the setting of incomplete data analysis, where some primary…

Methodology · Statistics 2019-03-27 Shinpei Imori , Hidetoshi Shimodaira

The development of computationally efficient model selection strategies represents an important problem facing the analysis of Nuclear Fusion experimental data, in particular in the field of scaling laws for the extrapolation to future…

Plasma Physics · Physics 2013-11-21 I. Lupelli , A. Murari , P. Gaudio , M. Gelfusa , D. Mazon , J. Vega

In this study, we present observational constraints on a class of phenomenological interacting dark energy (IDE) models that admit analytical solutions for the Hubble parameter $H(z)$. We consider a set of five linear and three non-linear…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-08 David Figueruelo , Marcel van der Westhuizen , Amare Abebe , Eleonora Di Valentino

We investigate non phantom tracker scalar field models as dynamical dark energy scenario. These models can alleviate the cosmic coincidence problem and transition to a cosmological constant-like behaviour at late times. Focusing on the…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-03 Md. Wali Hossain , Afaq Maqsood

Claeskens and Hjort (2003) constructed the focused information criterion (FIC) and developed frequentist model averaging methods using maximum likelihood estimators assuming the observations to be independent and identically distributed.…

Statistics Theory · Mathematics 2018-07-24 S. C. Pandhare , T. V. Ramanathan

In this study by considering Balakrishnan mechanism a new form of alpha skew distribution is proposed and properties are investigated. The suitability of the proposed distribution has tested at the end with appropriate data fitting…

Statistics Theory · Mathematics 2019-10-03 Sricharan Shah , Partha Jyoti Hazarika , Subrata Chakraborty

The information bottleneck (IB) approach is popular to improve the generalization, robustness and explainability of deep neural networks. Essentially, it aims to find a minimum sufficient representation $\mathbf{t}$ by striking a trade-off…

Machine Learning · Computer Science 2024-04-30 Shujian Yu , Xi Yu , Sigurd Løkse , Robert Jenssen , Jose C. Principe

We present the results of a study of selection criteria to identify Type Ia supernovae photometrically in a simulated mixed sample of Type Ia supernovae and core collapse supernovae. The simulated sample is a mockup of the expected results…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-19 Eda Gjergo , Jefferson Duggan , John D. Cunningham , Steve Kuhlmann , Rahul Biswas , Eve Kovacs , Joseph P. Bernstein , Harold Spinka

Dark energy models which alter the relative scaling behavior of dark energy and matter could provide a natural solution to the cosmic coincidence problem - why the densities of dark energy and dark matter are comparable today. A generalized…

Astrophysics · Physics 2008-11-26 Neal Dalal , Kevork Abazajian , Elizabeth Jenkins , Aneesh V. Manohar

The next generation of weak lensing probes can place strong constraints on cosmological parameters by measuring the mass distribution and geometry of the low redshift universe. We show that a future all-sky tomographic cosmic shear survey…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Ivan Debono

In this paper we have performed a comparative study of different types of oscillating dark energy models using the Metropolis algorithm of MCMC. Eight different oscillating parameterization being examined herein which have demonstrated…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-14 Mehdi Rezaei
‹ Prev 1 8 9 10 Next ›