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This paper introduces the R package BayesVarSel which implements objective Bayesian methodology for hypothesis testing and variable selection in linear models. The package computes posterior probabilities of the competing hypotheses/models…

其他统计学 · 统计学 2016-11-28 Gonzalo Garcia-Donato , Anabel Forte

We propose a computational model of visual search that incorporates Bayesian interpretations of the neural mechanisms that underlie categorical perception and saccade planning. To enable meaningful comparisons between simulated and human…

计算机视觉与模式识别 · 计算机科学 2020-06-08 Maell Cullen , Jonathan Monney , M. Berk Mirza , Rosalyn Moran

Generative Adversarial Network (GAN) based localized image editing can suffer from ambiguity between semantic attributes. We thus present a novel objective function to evaluate the locality of an image edit. By introducing the supervision…

计算机视觉与模式识别 · 计算机科学 2022-02-18 Ehsan Pajouheshgar , Tong Zhang , Sabine Süsstrunk

In the SysLab project we develop a software engineering method based on a mathematical foundation. The SysLab system model serves as an abstract mathematical model for information systems and their components. It is used to formalize the…

软件工程 · 计算机科学 2014-09-26 Cornel Klein , Bernhard Rumpe , Manfred Broy

Variable selection in ultra-high dimensional linear regression is often preceded by a screening step to significantly reduce the dimension. Here we develop a Bayesian variable screening method (BITS) guided by the posterior model…

统计方法学 · 统计学 2025-02-28 Run Wang , Somak Dutta , Vivekananda Roy

One aspect of the algorithmic lens in theoretical computer science is a view on other scientific disciplines that focuses on satisfactory solutions that adhere to real-world constraints, as opposed to solutions that would be optimal…

计算机科学与博弈论 · 计算机科学 2024-03-14 Eric Neyman

In critical decision support systems based on medical imaging, the reliability of AI-assisted decision-making is as relevant as predictive accuracy. Although deep learning models have demonstrated significant accuracy, they frequently…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Hua Xu , Julián D. Arias-Londoño , Juan I. Godino-Llorente

We propose causal preference elicitation, a Bayesian framework for expert-in-the-loop causal discovery that actively queries local edge relations to concentrate a posterior over directed acyclic graphs (DAGs). From any black-box…

机器学习 · 计算机科学 2026-02-03 Edwin V. Bonilla , He Zhao , Daniel M. Steinberg

Limbo is an open-source C++11 library for Bayesian optimization which is designed to be both highly flexible and very fast. It can be used to optimize functions for which the gradient is unknown, evaluations are expensive, and runtime cost…

机器学习 · 计算机科学 2016-11-23 Antoine Cully , Konstantinos Chatzilygeroudis , Federico Allocati , Jean-Baptiste Mouret

A Bayesian model of the emission spectrum of the JET lithium beam has been developed to infer the intensity of the Li I (2p-2s) line radiation and associated uncertainties. The detected spectrum for each channel of the lithium beam emission…

等离子体物理 · 物理学 2025-03-03 Sehyun Kwak , J. Svensson , M. Brix , Y. -c. Ghim , JET Contributors

Recent advances in large language models (LLMs) have substantially improved natural language processing (NLP) applications. However, these models often inherit and amplify biases present in their training data. Although several datasets…

计算与语言 · 计算机科学 2026-02-20 Shaina Raza , Mizanur Rahman , Michael R. Zhang

Large Language Models (LLMs) are increasingly deployed in high-stakes contexts where their outputs influence real-world decisions. However, evaluating bias in LLM outputs remains methodologically challenging due to sensitivity to prompt…

计算与语言 · 计算机科学 2026-01-13 William Guey , Wei Zhang , Pei-Luen Patrick Rau , Pierrick Bougault , Vitor D. de Moura , Bertan Ucar , Jose O. Gomes

Data cleaning is naturally framed as probabilistic inference in a generative model of ground-truth data and likely errors, but the diversity of real-world error patterns and the hardness of inference make Bayesian approaches difficult to…

机器学习 · 计算机科学 2022-11-22 Alexander K. Lew , Monica Agrawal , David Sontag , Vikash K. Mansinghka

Causal DAGs(Directed Acyclic Graphs) are usually considered in a 2D plane. Edges indicate causal effects' directions and imply their corresponding time-passings. Due to the natural restriction of statistical models, effect estimation is…

机器学习 · 计算机科学 2023-09-26 Jia Li , Xiang Li , Xiaowei Jia , Michael Steinbach , Vipin Kumar

This tutorial shows how to build, fit, and criticize disease transmission models in Stan, and should be useful to researchers interested in modeling the SARS-CoV-2 pandemic and other infectious diseases in a Bayesian framework. Bayesian…

统计计算 · 统计学 2021-10-01 Léo Grinsztajn , Elizaveta Semenova , Charles C. Margossian , Julien Riou

Many psychological theories can be operationalized as linear inequality constraints on the parameters of multinomial distributions (e.g., discrete choice analysis). These constraints can be described in two equivalent ways: Either as the…

统计计算 · 统计学 2019-04-23 Daniel W. Heck , Clintin P. Davis-Stober

The INLA package provides a tool for computationally efficient Bayesian modeling and inference for various widely used models, more formally the class of latent Gaussian models. It is a non-sampling based framework which provides…

统计方法学 · 统计学 2019-07-26 Janet van Niekerk , Haakon Bakka , Haavard Rue , Olaf Schenk

This paper reviews recent developments in statistical structure learning; namely, Bayesian model reduction. Bayesian model reduction is a method for rapidly computing the evidence and parameters of probabilistic models that differ only in…

统计方法学 · 统计学 2019-10-15 Karl Friston , Thomas Parr , Peter Zeidman

Machine learning techniques have been widely used in natural language processing (NLP). However, as revealed by many recent studies, machine learning models often inherit and amplify the societal biases in data. Various metrics have been…

计算与语言 · 计算机科学 2020-10-07 Jieyu Zhao , Kai-Wei Chang

We develop sampling algorithms to fit Bayesian hierarchical models, the computational complexity of which scales linearly with the number of observations and the number of parameters in the model. We focus on crossed random effect and…

统计计算 · 统计学 2025-01-03 Omiros Papaspiliopoulos , Timothée Stumpf-Fétizon , Giacomo Zanella