Zobrazeno 1 - 10
of 223
pro vyhledávání: '"Eggers, Hans"'
Autor:
Eggers, Hans Christoph.
Intermittency, as introduced into multiparticle production by Bialas and Peschanski, has become a fruitful and rapidly growing industry. The original concept of intermittency in the form of the Alpha model is discussed in detail and suggestions for e
Externí odkaz:
http://hdl.handle.net/10150/185422
Stochastic Gradient Annealed Importance Sampling for Efficient Online Marginal Likelihood Estimation
Publikováno v:
Entropy 2019, 21(11), 1109
We consider estimating the marginal likelihood in settings with independent and identically distributed (i.i.d.) data. We propose estimating the predictive distributions in a sequential factorization of the marginal likelihood in such settings by usi
Externí odkaz:
http://arxiv.org/abs/1911.07337
One of the big challenges in astrophysics is the comparison of complex simulations to observations. As many codes do not directly generate observables (e.g. hydrodynamic simulations), the last step in the modelling process is often a radiative-transf
Externí odkaz:
http://arxiv.org/abs/1705.10340
Autor:
Heavens, Alan, Fantaye, Yabebal, Mootoovaloo, Arrykrishna, Eggers, Hans, Hosenie, Zafiirah, Kroon, Steve, Sellentin, Elena
In this paper, we present a method for computing the marginal likelihood, also known as the model likelihood or Bayesian evidence, from Markov Chain Monte Carlo (MCMC), or other sampled posterior distributions. In order to do this, one needs to be ab
Externí odkaz:
http://arxiv.org/abs/1704.03472
Autor:
Heavens, Alan, Fantaye, Yabebal, Sellentin, Elena, Eggers, Hans, Hosenie, Zafiirah, Kroon, Steve, Mootoovaloo, Arrykrishna
Publikováno v:
Phys. Rev. Lett. 119, 101301 (2017)
We compute the Bayesian Evidence for models considered in the main analysis of Planck cosmic microwave background data. By utilising carefully-defined nearest-neighbour distances in parameter space, we reuse the Monte Carlo Markov Chains already prod
Externí odkaz:
http://arxiv.org/abs/1704.03467
In the context of data modeling and comparisons between different fit models, Bayesian analysis calls that model best which has the largest evidence, the prior-weighted integral over model parameters of the likelihood function. Evidence calculations
Externí odkaz:
http://arxiv.org/abs/1512.01692
Publikováno v:
Phys Rev C 92, 034908 (2015)
Analysis and interpretation of spectrum and correlation data from high-energy nuclear collisions is currently controversial because two opposing physics narratives derive contradictory implications from the same data---one narrative claiming collisio
Externí odkaz:
http://arxiv.org/abs/1502.04475