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We introduce a Gaussian process model of functions which are additive. An additive function is one which decomposes into a sum of low-dimensional functions, each depending on only a subset of the input variables. Additive GPs generalize…

机器学习 · 统计学 2011-12-20 David Duvenaud , Hannes Nickisch , Carl Edward Rasmussen

Bayesian inference provides principled uncertainty quantification but is often limited by the challenges of prior and likelihood elicitation. The martingale posterior (MGP) (Fong et al., 2023) offers an alternative by replacing these…

统计方法学 · 统计学 2026-05-29 Kenyon Ng , Edwin Fong , David T. Frazier , Jeremias Knoblauch , Susan Wei

In nonparametric regression, it is common for the inputs to fall in a restricted subset of Euclidean space. Typical kernel-based methods that do not take into account the intrinsic geometry of the domain across which observations are…

统计方法学 · 统计学 2021-11-04 David B Dunson , Hau-Tieng Wu , Nan Wu

We propose a nested Gaussian process (nGP) as a locally adaptive prior for Bayesian nonparametric regression. Specified through a set of stochastic differential equations (SDEs), the nGP imposes a Gaussian process prior for the function's…

统计方法学 · 统计学 2012-01-24 Bin Zhu , David B. Dunson

A key challenge with controlling complex dynamical systems is to accurately model them. However, this requirement is very hard to satisfy in practice. Data-driven approaches such as Gaussian processes (GPs) have proved quite effective by…

机器人学 · 计算机科学 2022-03-08 Mouhyemen Khan , Akash Patel , Abhijit Chatterjee

Generalized linear models (GLMs) are routinely used for modeling relationships between a response variable and a set of covariates. The simple form of a GLM comes with easy interpretability, but also leads to concerns about model…

统计方法学 · 统计学 2023-11-10 Davide Agnoletto , Tommaso Rigon , David B. Dunson

Gaussian processes (GP) are powerful tools for probabilistic modeling purposes. They can be used to define prior distributions over latent functions in hierarchical Bayesian models. The prior over functions is defined implicitly by the mean…

Despite the effectiveness of multitask deep neural network (MTDNN), there is a limited theoretical understanding on how the information is shared across different tasks in MTDNN. In this work, we establish a formal connection between MTDNN…

机器学习 · 计算机科学 2019-12-13 Karthikeyan K , Shubham Kumar Bharti , Piyush Rai

Gaussian process (GP) models form a core part of probabilistic machine learning. Considerable research effort has been made into attacking three issues with GP models: how to compute efficiently when the number of data is large; how to…

The recently developed semi-parametric generalized linear model (SPGLM) offers more flexibility as compared to the classical GLM by including the baseline or reference distribution of the response as an additional parameter in the model.…

统计方法学 · 统计学 2024-04-09 Entejar Alam , Peter Müller , Paul J. Rathouz

Surrogate modeling based on Gaussian processes (GPs) has received increasing attention in the analysis of complex problems in science and engineering. Despite extensive studies on GP modeling, the developments for functional inputs are…

统计方法学 · 统计学 2023-01-04 Chih-Li Sung , Wenjia Wang , Fioralba Cakoni , Isaac Harris , Ying Hung

Deep Gaussian Processes (DGPs) are hierarchical generalizations of Gaussian Processes that combine well calibrated uncertainty estimates with the high flexibility of multilayer models. One of the biggest challenges with these models is that…

Bayesian inference methods have been widely applied in inverse problems, {largely due to their ability to characterize the uncertainty associated with the estimation results.} {In the Bayesian framework} the prior distribution of the…

最优化与控制 · 数学 2019-01-03 Didi Lv , Qingping Zhou , Jae Kyu Choi , Jinglai Li , Xiaoqun Zhang

The nonparametric regression model with normal errors has been extensively studied, both from the frequentist and Bayesian viewpoint. A central result in Bayesian nonparametrics is that under assumptions on the prior, the data-generating…

统计理论 · 数学 2025-12-24 Paul Rosa

Motivated by deep neural networks, the deep Gaussian process (DGP) generalizes the standard GP by stacking multiple layers of GPs. Despite the enhanced expressiveness, GP, as an $L_2$ regularization prior, tends to be over-smooth and…

机器学习 · 统计学 2024-10-30 Zhi Chang , Chukwudi Obite , Shuang Zhou , Shiwei Lan

A simple, flexible approach to creating expressive priors in Gaussian process (GP) models makes new kernels from a combination of basic kernels, e.g. summing a periodic and linear kernel can capture seasonal variation with a long term…

机器学习 · 统计学 2019-07-01 Tim Pearce , Russell Tsuchida , Mohamed Zaki , Alexandra Brintrup , Andy Neely

Multitask Gaussian processes (MTGP) are the Gaussian process (GP) framework's solution for multioutput regression problems in which the $T$ elements of the regressors cannot be considered conditionally independent given the observations.…

机器学习 · 计算机科学 2022-08-26 Óscar García-Hinde , Vanessa Gómez-Verdejo , Manel Martínez-Ramón

Gaussian Process Networks (GPNs) are a class of directed graphical models which employ Gaussian processes as priors for the conditional expectation of each variable given its parents in the network. The model allows the description of…

机器学习 · 统计学 2024-02-20 Enrico Giudice , Jack Kuipers , Giusi Moffa

Gaussian processes (GPs) are widely used as distributions of random effects in linear mixed models, which are fit using the restricted likelihood or the closely-related Bayesian analysis. This article addresses two problems. First, we…

统计方法学 · 统计学 2018-05-04 Maitreyee Bose , James S. Hodges , Sudipto Banerjee

Gaussian Processes (GP) are widely used for probabilistic modeling and inference for nonparametric regression. However, their computational complexity scales cubicly with the sample size rendering them unfeasible for large data sets. To…

统计理论 · 数学 2022-05-11 Amine Hadji , Tammo Hesselink , Botond Szabó