中文
相关论文

相关论文: A study of variable selection using g-prior distri…

200 篇论文

Mixtures of Zellner's g-priors have been studied extensively in linear models and have been shown to have numerous desirable properties for Bayesian variable selection and model averaging. Several extensions of g-priors to Generalized…

统计方法学 · 统计学 2018-05-08 Yingbo Li , Merlise A. Clyde

We propose that Bayesian variable selection for linear parametrisations with Gaussian iid likelihoods be based on the spherical symmetry of the diagonalised parameter space. Our r-prior results in closed forms for the evidence for four…

统计理论 · 数学 2015-12-11 M. B. De Kock , H. C. Eggers

In this paper, we introduce a new methodology for Bayesian variable selection in linear regression that is independent of the traditional indicator method. A diagonal matrix $\mathbf{G}$ is introduced to the prior of the coefficient vector…

统计方法学 · 统计学 2016-10-20 Zichen Ma , Ernest Fokoué

For the normal linear model variable selection problem, we propose selection criteria based on a fully Bayes formulation with a generalization of Zellner's $g$-prior which allows for $p>n$. A special case of the prior formulation is seen to…

统计方法学 · 统计学 2012-02-24 Yuzo Maruyama , Edward I. George

This is a companion paper to Yarkoni and Westfall (2017), which describes the Python package Bambi for estimating Bayesian generalized linear mixed models using a simple interface. Here I give the statistical details underlying the default,…

应用统计 · 统计学 2017-02-14 Jacob Westfall

We develop an extension of the classical Zellner's g-prior to generalized linear models. The prior on the hyperparameter g is handled in a flexible way, so that any continuous proper hyperprior f(g) can be used, giving rise to a large class…

统计方法学 · 统计学 2011-09-05 Daniel Sabanés Bové , Leonhard Held

This paper studies Bayesian variable selection in linear models with general spherically symmetric error distributions. We propose sub-harmonic priors which arise as a class of mixtures of Zellner's g-priors for which the Bayes factors are…

统计方法学 · 统计学 2013-03-12 Yuzo Maruyama , William E. Strawderman

There is a rich literature proposing methods and establishing asymptotic properties of Bayesian variable selection methods for parametric models, with a particular focus on the normal linear regression model and an increasing emphasis on…

统计理论 · 数学 2011-08-16 Suprateek Kundu , David B. Dunson

The development of prior distributions for Bayesian regression has traditionally been driven by the goal of achieving sensible model selection and parameter estimation. The formalization of properties that characterize good performance has…

统计理论 · 数学 2015-01-14 Agniva Som , Christopher M. Hans , Steven N. MacEachern

The hyperparameters in Gaussian process regression (GPR) model with a specified kernel are often estimated from the data via the maximum marginal likelihood. Due to the non-convexity of marginal likelihood with respect to the…

机器学习 · 统计学 2018-01-15 Zexun Chen , Bo Wang

Random feature ridge regression is often analyzed in the high-dimensional regime under the homogeneous sampling model $x_i=\Sigma^{1/2}x_i'$, where the vectors $x_i'$ have iid entries and the same covariance matrix $\Sigma$ is shared by all…

机器学习 · 统计学 2026-05-19 Issa-Mbenard Dabo , Jérémie Bigot

The problem of estimating a parametric or nonparametric regression function in a model with normal errors is considered. For this purpose, a novel objective prior for the regression function is proposed, defined as the distribution…

统计理论 · 数学 2019-12-13 Wicher Bergsma

In this work we discuss a novel model prior probability for variable selection in linear regression. The idea is to determine the prior mass in an objective sense, by considering the worth of each of the possible regression models, given…

统计方法学 · 统计学 2015-12-29 Cristiano Villa , Jeong Eun Lee

We consider the application of a popular penalised regression method, Ridge Regression, to data with very high dimensions and many more covariates than observations. Our motivation is the problem of out-of-sample prediction and the setting…

应用统计 · 统计学 2012-05-04 Erika Cule , Maria De Iorio

We consider variable selection problem in linear regression using mixture of $g$-priors. A number of mixtures are proposed in the literature which work well, especially when the number of regressors $p$ is fixed. In this paper, we propose a…

统计理论 · 数学 2015-04-16 Minerva Mukhopadhyay

We explore the estimation of generalized additive models using basis expansion in conjunction with Bayesian model selection. Although Bayesian model selection is useful for regression splines, it has traditionally been applied mainly to…

统计方法学 · 统计学 2024-09-02 Gyeonghun Kang , Seonghyun Jeong

Many regularization priors for Bayesian regression assume the regression coefficients are a priori independent. In particular this is the case for standard Bayesian treatments of the lasso and the elastic net. While independence may be…

统计方法学 · 统计学 2026-01-01 Christopher M. Hans , Ningyi Liu

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 set-ups can be expressed power-priors with fixed set of imaginary data. In this…

统计计算 · 统计学 2013-07-10 Dimitris Fouskakis , Ioannis Ntzoufras

Spatially dependent data arises in many applications, and Gaussian processes are a popular modelling choice for these scenarios. While Bayesian analyses of these problems have proven to be successful, selecting prior distributions for these…

统计方法学 · 统计学 2023-07-14 Eric Yanchenko , Howard D. Bondell , Brian J. Reich

Bayesian neural networks attempt to combine the strong predictive performance of neural networks with formal quantification of uncertainty associated with the predictive output in the Bayesian framework. However, it remains unclear how to…

机器学习 · 统计学 2022-01-12 Takuo Matsubara , Chris J. Oates , François-Xavier Briol
‹ 上一页 1 2 3 10 下一页 ›