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We propose a general framework for non-normal multivariate data analysis called multivariate covariance generalized linear models (McGLMs), designed to handle multivariate response variables, along with a wide range of temporal and spatial…

统计方法学 · 统计学 2017-04-25 Wagner Hugo Bonat , Bent Jørgensen

Generalized Linear Models (GLMs) and Single Index Models (SIMs) provide powerful generalizations of linear regression, where the target variable is assumed to be a (possibly unknown) 1-dimensional function of a linear predictor. In general,…

人工智能 · 计算机科学 2011-04-14 Sham Kakade , Adam Tauman Kalai , Varun Kanade , Ohad Shamir

Through recognizing causal subgraphs, causal graph learning (CGL) has risen to be a promising approach for improving the generalizability of graph neural networks under out-of-distribution (OOD) scenarios. However, the empirical successes…

机器学习 · 计算机科学 2025-07-02 Yujia Yin , Tianyi Qu , Zihao Wang , Yifan Chen

We propose an approach for fitting linear regression models that splits the set of covariates into groups. The optimal split of the variables into groups and the regularized estimation of the regression coefficients are performed by…

统计方法学 · 统计学 2019-12-13 Anthony Christidis , Ruben Zamar , Laks V. S. Lakshmanan , Ezequiel Smucler

A new generalized multilinear regression model, termed the Higher-Order Partial Least Squares (HOPLS), is introduced with the aim to predict a tensor (multiway array) $\tensor{Y}$ from a tensor $\tensor{X}$ through projecting the data onto…

Research on Poisson regression analysis for dependent data has been developed rapidly in the last decade. One of difficult problems in a multivariate case is how to construct a cross-correlation structure and at the meantime make sure that…

统计方法学 · 统计学 2017-10-05 A'yunin Sofro , Jian Qing Shi , Chunzheng Cao

The estimation problem in a high regression model with structured sparsity is investigated. An algorithm using a two steps block thresholding procedure called GR-LOL is provided. Convergence rates are produced: they depend on simple…

统计理论 · 数学 2012-07-10 Mathilde Mougeot , Dominique Picard , Karine Tribouley

The Lasso regression is a popular regularization method for feature selection in statistics. Prior to computing the Lasso estimator in both linear and generalized linear models, it is common to conduct a preliminary rescaling of the feature…

统计方法学 · 统计学 2023-11-21 Anant Mathur , Sarat Moka , Zdravko Botev

The ability to manipulate complex systems, such as the brain, to modify specific outcomes has far-reaching implications, particularly in the treatment of psychiatric disorders. One approach to designing appropriate manipulations is to…

机器学习 · 统计学 2024-09-05 Austin Talbot , Corey J Keller , David E Carlson , Alex V Kotlar

Orthogonal Fractional Factorial Designs and in particular Orthogonal Arrays are frequently used in many fields of application, including medicine, engineering and agriculture. In this paper we present a methodology and an algorithm to find…

统计方法学 · 统计学 2015-01-15 Roberto Fontana

Stochastic models share many characteristics with generic parametric models. In some ways they can be regarded as a special case. But for stochastic models there is a notion of weak distribution or generalised random variable, and the same…

数值分析 · 数学 2018-09-05 Hermann G. Matthies

Concerning bivariate least squares linear regression, the classical results obtained for extreme structural models in earlier attempts are reviewed using a new formalism in terms of deviation (matrix) traces which, for homoscedastic data,…

天体物理仪器与方法 · 物理学 2017-11-17 R. Caimmi

Growth curve models are popular tools for studying the development of a response variable within subjects over time. Heterogeneity between subjects is common in such models, and researchers are typically interested in explaining or…

统计方法学 · 统计学 2025-10-07 Marjolein Fokkema , Achim Zeileis

Categorical predictors are omnipresent in everyday regression practice: in fact, most regression data involve some categorical predictors, and this tendency is increasing in modern applications with more complex structures and larger data…

统计方法学 · 统计学 2025-11-11 Chaegeun Song , Zhong Zheng , Bing Li , Lingzhou Xue

Projection predictive inference is a decision theoretic Bayesian approach that decouples model estimation from decision making. Given a reference model previously built including all variables present in the data, projection predictive…

统计方法学 · 统计学 2020-10-15 Alejandro Catalina , Paul-Christian Bürkner , Aki Vehtari

The generalized Ridge penalty is a powerful tool for dealing with overfitting and for high-dimensional regressions. The generalized Ridge regression can be derived as the mean of a posterior distribution with a Normal prior and a given…

统计方法学 · 统计学 2022-08-10 Said Obakrim , Pierre Ailliot , Valérie Monbet , Nicolas Raillard

Similar to variable selection in the linear regression model, selecting significant components in the popular additive regression model is of great interest. However, such components are unknown smooth functions of independent variables,…

统计方法学 · 统计学 2011-01-04 Xia Cui , Heng Peng , Songqiao Wen , Lixing Zhu

Due to the ease of modern data collection, applied statisticians often have access to a large set of covariates that they wish to relate to some observed outcome. Generalized linear models (GLMs) offer a particularly interpretable framework…

统计计算 · 统计学 2019-05-21 Brian L. Trippe , Jonathan H. Huggins , Raj Agrawal , Tamara Broderick

Concerning bivariate least squares linear regression, the classical approach pursued for functional models in earlier attempts is reviewed using a new formalism in terms of deviation (matrix) traces. Within the framework of classical error…

天体物理仪器与方法 · 物理学 2011-03-08 R. Caimmi

In statistics, generalized linear models (GLMs) are widely used for modeling data and can expressively capture potential nonlinear dependence of the model's outcomes on its covariates. Within the broad family of GLMs, those with binary…

统计理论 · 数学 2025-09-04 Namiko Matsumoto , Arya Mazumdar