Search Results for author: Vivekananda Roy

Found 4 papers, 0 papers with code

Geometric Ergodicity in Modified Variations of Riemannian Manifold and Lagrangian Monte Carlo

no code implementations4 Jan 2023 James A. Brofos, Vivekananda Roy, Roy R. Lederman

Unlike Euclidean Hamiltonian Monte Carlo (EHMC) and the Metropolis-adjusted Langevin algorithm (MALA), the geometric ergodicity of these Riemannian algorithms has not been extensively studied.

Bayesian Inference

Analyzing Relevance Vector Machines using a single penalty approach

no code implementations5 Jul 2021 Anand Dixit, Vivekananda Roy

Currently in the literature, the sufficient conditions for posterior propriety of RVM do not allow improper priors over the multiple penalty parameters.

Block Gibbs samplers for logistic mixed models: convergence properties and a comparison with full Gibbs samplers

no code implementations11 Jan 2021 Yalin Rao, Vivekananda Roy

The logistic linear mixed model (LLMM) is one of the most widely used statistical models.

Data Augmentation Methodology 60J05, 62-08

Model Based Screening Embedded Bayesian Variable Selection for Ultra-high Dimensional Settings

no code implementations13 Jun 2020 Dongjin Li, Somak Dutta, Vivekananda Roy

We develop a Bayesian variable selection method, called SVEN, based on a hierarchical Gaussian linear model with priors placed on the regression coefficients as well as on the model space.

Methodology Computation

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