Search Results for author: Shawfeng Dong

Found 2 papers, 2 papers with code

Deep Learning of Quasar Spectra to Discover and Characterize Damped Lya Systems

1 code implementation14 Sep 2017 David Parks, J. Xavier Prochaska, Shawfeng Dong, Zheng Cai

Testing on a held-back validation set demonstrates a high incidence of DLAs recovered by the algorithm (97. 4% as DLAs and 99% as an HI absorber with log NHI > 19. 5) and excellent estimates for zabs and NHI.

Astrophysics of Galaxies

GPU-accelerated Gibbs sampling: a case study of the Horseshoe Probit model

1 code implementation15 Aug 2016 Alexander Terenin, Shawfeng Dong, David Draper

Gibbs sampling is a widely used Markov chain Monte Carlo (MCMC) method for numerically approximating integrals of interest in Bayesian statistics and other mathematical sciences.

Computation Distributed, Parallel, and Cluster Computing

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