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We introduce the spike-and-slab group lasso (SSGL) for Bayesian estimation and variable selection in linear regression with grouped variables. We further extend the SSGL to sparse generalized additive models (GAMs), thereby introducing the…

统计方法学 · 统计学 2020-07-29 Ray Bai , Gemma E. Moran , Joseph Antonelli , Yong Chen , Mary R. Boland

We introduce a general theoretical framework to study the shape dynamics of actively growing and remodeling surfaces. Using this framework we develop a physical model for growing bacterial cell walls and study the interplay of cell shape…

生物物理 · 物理学 2016-04-08 Shiladitya Banerjee , Norbert F. Scherer , Aaron R. Dinner

Maps of infectious disease---charting spatial variations in the force of infection, degree of endemicity, and the burden on human health---provide an essential evidence base to support planning towards global health targets. Contemporary…

应用统计 · 统计学 2017-09-21 Samir Bhatt , Ewan Cameron , Seth R Flaxman , Daniel J Weiss , David L Smith , Peter W Gething

The valuation of real estates (e.g., house, land, among others) is of extreme importance for decision making. Their singular characteristics make valuation through hedonic pricing methods dificult since the theory does not specify the…

应用统计 · 统计学 2011-11-04 Lutemberg Florencio , Francisco Cribari-Neto , Raydonal Ospina

There has been an intense development of Bayes graphical model estimation approaches over the past decade - however, most of the existing methods are restricted to moderate dimensions. We propose a novel approach suitable for high…

统计方法学 · 统计学 2013-08-20 Suprateek Kundu , Veera Baladandayuthapani , Bani K. Mallick

Symbolic regression has excelled in uncovering equations from physics, chemistry, biology, and related disciplines. However, its effectiveness becomes less certain when applied to experimental data lacking inherent closed-form expressions.…

机器学习 · 计算机科学 2024-04-16 Krzysztof Kacprzyk , Mihaela van der Schaar

Stochastic exponential growth is observed in a variety of contexts, including molecular autocatalysis, nuclear fission, population growth, inflation of the universe, viral social media posts, and financial markets. Yet literature on…

统计力学 · 物理学 2017-06-14 Dan Pirjol , Farshid Jafarpour , Srividya Iyer-Biswas

Using the renormalization method introduced in \cite{GJ}, we prove what we call the {\em local} Boltzmann-Gibbs principle for conservative, stationary interacting particle systems in dimension $d=1$. As applications of this result, we…

概率论 · 数学 2013-03-01 Patricia Gonçalves , Milton Jara

We propose a new framework of CatBoost that predicts the entire conditional distribution of a univariate response variable. In particular, CatBoostLSS models all moments of a parametric distribution (i.e., mean, location, scale and shape…

机器学习 · 统计学 2020-01-08 Alexander März

Nonstationary and non-Gaussian spatial data are common in various fields, including ecology (e.g., counts of animal species), epidemiology (e.g., disease incidence counts in susceptible regions), and environmental science (e.g.,…

统计方法学 · 统计学 2024-04-01 Remy MacDonald , Benjamin Seiyon Lee

Large language models (LLMs) have recently been adapted to tabular prediction by serializing structured features into natural language, but their performance in low-data regimes remains limited compared to gradient-boosted decision trees…

机器学习 · 计算机科学 2026-05-12 Yi-Siang Wang , Kuan-Yu Chen , Yu-Chen Den , Darby Tien-Hao Chang

This paper introduces a class of generalised linear models (GLMs) driven by latent processes for modelling count, real-valued, binary, and positive continuous time series. Extending earlier latent-process regression frameworks based on…

统计方法学 · 统计学 2026-02-19 Wagner Barreto-Souza , Ngai Hang Chan

Forecasters using flexible neural networks (NN) in multi-horizon distributional regression setups often struggle to gain detailed insights into the underlying mechanisms that lead to the predicted feature-conditioned distribution…

机器学习 · 计算机科学 2024-12-23 Alessandro Brusaferri , Danial Ramin , Andrea Ballarino

We study partially linear models in settings where observations are arranged in independent groups but may exhibit within-group dependence. Existing approaches estimate linear model parameters through weighted least squares, with optimal…

统计方法学 · 统计学 2024-04-16 Elliot H. Young , Rajen D. Shah

Bacterial growth environment strongly influences the efficacy of antibiotic treatment, with slow growth often being associated with decreased susceptibility. Yet in many cases the connection between antibiotic susceptibility and pathogen…

细胞行为 · 定量生物学 2015-05-06 Philip Greulich , Matthew Scott , Martin R. Evans , Rosalind J. Allen

We propose an extensive framework for additive regression models for correlated functional responses, allowing for multiple partially nested or crossed functional random effects with flexible correlation structures for, e.g., spatial,…

统计方法学 · 统计学 2013-11-26 Fabian Scheipl , Ana-Maria Staicu , Sonja Greven

Escherichia coli and other bacteria use rotating helical filaments to swim. Each cell typically has about four filaments, which bundle or disperse depending on the sense of motor rotation. To study the bundling process, we built a…

软凝聚态物质 · 物理学 2009-11-10 MunJu Kim , James C. Bird , Annemarie J. Van Parys , Kenneth S. Breuer , Thomas R. Powers

We propose and study a class-expansion/innovation/loss model of genome evolution taking into account biological roles of genes and their constituent domains. In our model numbers of genes in different functional categories are coupled to…

基因组学 · 定量生物学 2015-03-18 Jacopo Grilli , Bruno Bassetti , Sergei Maslov , Marco Cosentino Lagomarsino

We present a unified probabilistic gradient boosting framework for regression tasks that models and predicts the entire conditional distribution of a univariate response variable as a function of covariates. Our likelihood-based approach…

机器学习 · 统计学 2022-04-05 Alexander März , Thomas Kneib

The gradient boosting machine is one of the powerful tools for solving regression problems. In order to cope with its shortcomings, an approach for constructing ensembles of gradient boosting models is proposed. The main idea behind the…

机器学习 · 计算机科学 2020-10-14 Andrei V. Konstantinov , Lev V. Utkin