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Gene expression prediction plays a vital role in transcriptome-wide association studies (TWAS), which seek to establish associations between tissue gene expression and complex traits. Traditional models rely on genetic variants in close…

分子网络 · 定量生物学 2024-08-19 Gutama Ibrahim Mohammad , Tom Michoel

Converging evidence suggests that common complex diseases with the same or similar clinical manifestations could have different underlying genetic etiologies. While current research interests have shifted toward uncovering rare variants and…

统计方法学 · 统计学 2025-08-18 Changshuai Wei , Robert C. Elston , Qing Lu

Various deep learning-based systems have been proposed for accurate and convenient plant disease diagnosis, achieving impressive performance. However, recent studies show that these systems often fail to maintain diagnostic accuracy on…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Takafumi Nogami , Satoshi Kagiwada , Hitoshi Iyatomi

The recent availability of huge, many-dimensional data sets, like those arising from genome-wide association studies (GWAS), provides many opportunities for strengthening causal inference. One popular approach is to utilize these…

机器学习 · 统计学 2020-12-21 Ioan Gabriel Bucur , Tom Claassen , Tom Heskes

Statistical power estimation for studies with multiple model parameters is inherently a multivariate problem. Power for individual parameters of interest cannot be reliably estimated univariately since correlation and variance explained…

统计方法学 · 统计学 2022-05-25 Ajinkya K Mulay , Sean Lane , Erin Hennes

Reproducibility in genome-wide association studies (GWAS) is crucial for ensuring reliable genomic research outcomes. However, limited access to original genomic datasets (mainly due to privacy concerns) prevents researchers from…

基因组学 · 定量生物学 2024-11-19 Yuzhou Jiang , Erman Ayday

Single-cell spatial transcriptomics (ST) offers a unique approach to measuring gene expression profiles and spatial cell locations simultaneously. However, most existing ST methods assume that cells in closer spatial proximity exhibit more…

基因组学 · 定量生物学 2025-06-10 Xiongtao Xiao , Xiaofeng Chen , Feiyan Jiang , Songming Zhang , Wenming Cao , Cheng Tan , Zhangyang Gao , Zhongshan Li

Statistical methods for testing aggregate rare-variant genetic associations are typically based on either burden or dispersion tests (or a combination of the two). These methods lack statistical power in the presence of diverse genetic…

One of the most important challenges in the analysis of high-throughput genetic data is the development of efficient computational methods to identify statistically significant Single Nucleotide Polymorphisms (SNPs). Genome-wide association…

Mendelian randomization (MR) is a powerful method that uses genetic variants as instrumental variables (IVs) to infer the causal effect of a modifiable exposure on an outcome. Although recent years have seen many extensions of basic MR…

统计方法学 · 统计学 2022-03-15 Sai Li , Ting Ye

Inferring concerted changes among biological traits along an evolutionary history remains an important yet challenging problem. Besides adjusting for spurious correlation induced from the shared history, the task also requires sufficient…

Transcription factors (TFs), the key players in transcriptional regulation, have attracted great experimental attention, yet the functions of most human TFs remain poorly understood. Recent capabilities in genome-wide protein binding…

分子网络 · 定量生物学 2016-02-23 Yong Fuga Li , Russ B. Altman

Relational databases are extensively utilized in a variety of modern information system applications, and they always carry valuable data patterns. There are a huge number of data mining or machine learning tasks conducted on relational…

机器学习 · 计算机科学 2023-12-05 Han Zhang , Quan Gan , David Wipf , Weinan Zhang

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…

While fat-tailed densities commonly arise as posterior and marginal distributions in robust models and scale mixtures, they present challenges when Gaussian-based variational inference fails to capture tail decay accurately. We first…

机器学习 · 统计学 2022-05-18 Feynman Liang , Liam Hodgkinson , Michael W. Mahoney

Ensuring maritime safety and optimizing traffic management in increasingly crowded and complex waterways require effective waterway monitoring. However, current methods struggle with challenges arising from multimodal data, such as…

人工智能 · 计算机科学 2025-04-15 Yuxu Lu , Kaisen Yang , Dong Yang , Haifeng Ding , Jinxian Weng , Ryan Wen Liu

Taking advantages of high-throughput genotyping technology of single nucleotide polymorphism (SNP), large genome-wide association studies (GWASs) have been considered as the promise to unravel the complex relationships between genotypes and…

基因组学 · 定量生物学 2018-11-20 Xuan Guo

Meta-analysis, because of both logistical convenience and statistical efficiency, is widely popular for synthesizing information on common parameters of interest across multiple studies. We propose developing a generalized meta-analysis…

统计方法学 · 统计学 2018-11-27 Prosenjit Kundu , Runlong Tang , Nilanjan Chatterjee

To date, genome-wide association studies (GWAS) have successfully identified tens of thousands of genetic variants among a variety of traits/diseases, shedding a light on the genetic architecture of complex diseases. Polygenicity of complex…

统计方法学 · 统计学 2017-10-27 Yi Yang , Mingwei Dai , Jian Huang , Xinyi Lin , Can Yang , Jin Liu , Min Chen

Multi-sourced datasets are common in studies of variable interactions, for example, individual-level fMRI integration, cross-domain recommendation, etc, where each source induces a related but distinct dependency structure. Joint learning…

统计方法学 · 统计学 2025-12-08 Shixiang Liu , Yanhang Zhang , Zhifan Li , Jianxin Yin