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Analyzing data from multiple neuroimaging studies has great potential in terms of increasing statistical power, enabling detection of effects of smaller magnitude than would be possible when analyzing each study separately and also allowing…

The Generalized Additive Model (GAM) is a powerful tool and has been well studied. This model class helps to identify additive regression structure. Via available test procedures one may identify the regression structure even sharper if…

统计方法学 · 统计学 2020-09-11 Rong Liu , Wolfgang Karl Härdle

Combined inference for heterogeneous high-dimensional data is critical in modern biology, where clinical and various kinds of molecular data may be available from a single study. Classical genetic association studies regress a single…

应用统计 · 统计学 2017-03-22 Hélène Ruffieux , Anthony C. Davison , Jörg Hager , Irina Irincheeva

Dimensionality reduction is a main step in the learning process which plays an essential role in many applications. The most popular methods in this field like SVD, PCA, and LDA, only can be applied to data with vector format. This means…

机器学习 · 计算机科学 2019-03-01 Soheil Ahmadi , Mansoor Rezghi

Class imbalance remains a practical obstacle in the development of clinical prediction models for conditions such as diabetes mellitus, where the number of confirmed cases is often much smaller than the number of controls. The Synthetic…

机器学习 · 计算机科学 2026-05-26 Agnideep Aich , Md Monzur Murshed , Bruce Wade , Sameera Hewage

Generalized linear mixed models (GLMMs) are often used for analyzing correlated non-Gaussian data. The likelihood function in a GLMM is available only as a high dimensional integral, and thus closed-form inference and prediction are not…

统计方法学 · 统计学 2022-06-27 Vivekananda Roy

In the field of multimodal medical data analysis, leveraging diverse types of data and understanding their hidden relationships continues to be a research focus. The main challenges lie in effectively modeling the complex interactions…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Xuhao Shan , Ruiquan Ge , Jikui Liu , Linglong Wu , Chi Zhang , Siqi Liu , Wenjian Qin , Wenwen Min , Ahmed Elazab , Changmiao Wang

Non-random sample selection is a commonplace amongst many empirical studies and it appears when an output variable of interest is available only for a restricted non-random sub-sample of data. We introduce an extension of the generalized…

统计理论 · 数学 2015-08-18 M. Wojtyś , G. Marra

Univariate regression models have rich literature for counting data. However, this is not the case for multivariate count data. Therefore, we present the Multivariate Generalized Linear Mixed Models framework that deals with a multivariate…

Linear mixed models are able to handle an extraordinary range of complications in regression-type analyses. Their most common use is to account for within-subject correlation in longitudinal data analysis. They are also the standard vehicle…

统计理论 · 数学 2007-06-13 Y. Zhao , J. Staudenmayer , B. A. Coull , M. P. Wand

This article considers the joint modeling of longitudinal covariates and partly-interval censored time-to-event data. Longitudinal time-varying covariates play a crucial role in obtaining accurate clinically relevant predictions using a…

统计方法学 · 统计学 2024-12-05 Annabel Webb , Nan Zou , Serigne Lo , Jun Ma

In recent years, a comprehensive study of multi-view datasets (e.g., multi-omics and imaging scans) has been a focus and forefront in biomedical research. State-of-the-art biomedical technologies are enabling us to collect multi-view…

机器学习 · 统计学 2020-04-30 Md Ashad Alam , Chuan Qiu , Hui Shen , Yu-Ping Wang , Hong-Wen Deng

Generative moment matching networks (GMMNs) are introduced for generating quasi-random samples from multivariate models with any underlying copula in order to compute estimates under variance reduction. So far, quasi-random sampling for…

机器学习 · 统计学 2020-04-06 Marius Hofert , Avinash Prasad , Mu Zhu

To extend cognitive diagnostic models (CDMs) to longitudinal settings, stepwise approaches that integrate a CDM model with a latent transition model and covariates are widely used due to their flexibility. Previous research has shown that…

统计方法学 · 统计学 2026-04-20 Yawen Ma , Anastasia Ushakova , Kate Cain , Gabriel Wallin

Objectives: This paper develops two algorithms to achieve federated generalized linear mixed effect models (GLMM), and compares the developed model's outcomes with each other, as well as that from the standard R package (`lme4'). Methods:…

机器学习 · 统计学 2022-06-09 Wentao Li , Jiayi Tong , Md. Monowar Anjum , Noman Mohammed , Yong Chen , Xiaoqian Jiang

Vine copulas are a useful statistical tool to describe the dependence structure between several random variables, especially when the number of variables is very large. When modeling data with vine copulas, one often is confronted with a…

统计方法学 · 统计学 2017-05-10 Matthias Killiches , Daniel Kraus , Claudia Czado

Deep learning is a hierarchical inference method formed by subsequent multiple layers of learning able to more efficiently describe complex relationships. In this work, Deep Gaussian Mixture Models are introduced and discussed. A Deep…

机器学习 · 统计学 2017-11-21 Cinzia Viroli , Geoffrey J. McLachlan

A multivariate mixed-effects model seems to be the most appropriate for gene expression data collected in a crossover trial. It is, however, difficult to obtain reliable results using standard statistical inference when some responses are…

统计方法学 · 统计学 2023-09-12 Savita Pareek , Kalyan Das , Siuli Mukhopadhyay

We study multimodal survival analysis integrating clinical text, tabular covariates, and genomic profiles using locally deployable large language models (LLMs). As many institutions face tight computational and privacy constraints, this…

机器学习 · 计算机科学 2026-03-24 Moritz Gögl , Christopher Yau

The intricate relationship between genetic variation and human diseases has been a focal point of medical research, evidenced by the identification of risk genes regarding specific diseases. The advent of advanced genome sequencing…

定量方法 · 定量生物学 2024-01-19 Jiayu Chang , Shiyu Wang , Chen Ling , Zhaohui Qin , Liang Zhao