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For the vast majority of genome wide association studies (GWAS) published so far, statistical analysis was performed by testing markers individually. In this article we present some elementary statistical considerations which clearly show…

Applications · Statistics 2010-10-04 Florian Frommlet , Felix Ruhaltinger , Piotr Twarog , Malgorzata Bogdan

PLINK 1 is a widely used open-source C/C++ toolset for genome-wide association studies (GWAS) and research in population genetics. However, the steady accumulation of data from imputation and whole-genome sequencing studies has exposed a…

Although genome-wide association studies (GWAS) have proven powerful for comprehending the genetic architecture of complex traits, they are challenged by a high dimension of single-nucleotide polymorphisms (SNPs) as predictors, the presence…

Applications · Statistics 2015-09-15 Jiahan Li , Zhong Wang , Runze Li , Rongling Wu

Genome-wide Association Studies (GWASs) for complex diseases often collect data on multiple correlated endo-phenotypes. Multivariate analysis of these correlated phenotypes can improve the power to detect genetic variants. Multivariate…

Methodology · Statistics 2015-03-12 Debashree Ray , James S Pankow , Saonli Basu

Single-cell sequencing technologies reveal cellular heterogeneity at high resolution, advancing our understanding of biological complexity. As datasets start to scale to tens of millions of cells, computational workflows face substantial…

Swarm intelligence optimization algorithms have gained significant attention due to their ability to solve complex optimization problems. However, the efficiency of optimization in large-scale problems limits the use of related methods.…

Neural and Evolutionary Computing · Computer Science 2025-01-08 Xiangrui Meng , Ying Tan

A computationally simple genome-wide association study (GWAS) algorithm for estimating the main and epistatic effects of markers or single nucleotide polymorphisms (SNPs) is proposed. It is based on the intuitive assumption that changes of…

Quantitative Methods · Quantitative Biology 2017-08-08 Lev V. Utkin , Irina L. Utkina

Motivation: A pan-genome graph represents a collection of genomes and encodes sequence variations between them. It is a powerful data structure for studying multiple similar genomes. Sequence-to-graph alignment is an essential step for the…

Genomics · Quantitative Biology 2022-06-29 Haowen Zhang , Shiqi Wu , Srinivas Aluru , Heng Li

Genome-wide association studies (GWAS) have successfully identified a large number of genetic variants associated with traits and diseases. However, it still remains challenging to fully understand functional mechanisms underlying many…

Genomics · Quantitative Biology 2022-04-15 Qiaolan Deng , Jin Hyun Nam , Ayse Selen Yilmaz , Won Chang , Maciej Pietrzak , Lang Li , Hang J. Kim , Dongjun Chung

Multivariate linear mixed models (mvLMMs) have been widely used in many areas of genetics, and have attracted considerable recent interest in genome-wide association studies (GWASs). However, fitting mvLMMs is computationally non-trivial,…

Quantitative Methods · Quantitative Biology 2013-09-13 Xiang Zhou , Matthew Stephens

Graph neural networks (GNNs) have recently exploded in popularity thanks to their broad applicability to ubiquitous graph-related problems such as quantum chemistry, drug discovery, and high energy physics. However, meeting demand for novel…

Machine Learning · Computer Science 2022-01-24 Stefan Abi-Karam , Yuqi He , Rishov Sarkar , Lakshmi Sathidevi , Zihang Qiao , Cong Hao

We introduce galmoss, a python-based, torch-powered tool for two-dimensional fitting of galaxy profiles. By seamlessly enabling GPU parallelization, galmoss meets the high computational demands of large-scale galaxy surveys, placing galaxy…

Classical multivariate statistical methods such as covariance estimation and principal component analysis are well understood mathematically, yet their application at extreme data scales remains challenging. When the number of observations…

Computation · Statistics 2026-05-20 Mike Crowhurst

With the advance in genome sequencing technology, the lengths of deoxyribonucleic acid (DNA) sequencing results are rapidly increasing at lower prices than ever. However, the longer lengths come at the cost of a heavy computational burden…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-12 Seongyeon Park , Junguk Hong , Jaeyong Song , Hajin Kim , Youngsok Kim , Jinho Lee

GPUs are widely used to accelerate many important classes of workloads today. However, we observe that several important emerging classes of workloads, including simulation engines for deep reinforcement learning and dynamic neural…

Hardware Architecture · Computer Science 2024-01-24 Sankeerth Durvasula , Adrian Zhao , Raymond Kiguru , Yushi Guan , Zhonghan Chen , Nandita Vijaykumar

The burgeoning complexity and real-time processing demands of audio signals necessitate optimized algorithms that harness the computational prowess of Graphics Processing Units (GPUs). Existing Digital Signal Processing (DSP) libraries…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-14 Matteo Spanio , Antonio Rodà

Genome Wide Association Studies (GWAS) are used to identify statistically significant genetic variants in case-control studies. GWAS typically use a p-value threshold of 5 x 10-8 to identify highly ranked single nucleotide polymorphisms…

Computational Engineering, Finance, and Science · Computer Science 2018-01-10 Paul Fergus , Casimiro Curbelo Montanez , Basma Abdulaimma , Paulo Lisboa , Carl Chalmers

Graph layouts are key to exploring massive graphs. An enormous number of nodes and edges do not allow network analysis software to produce meaningful visualization of the pervasive networks. Long computation time, memory and display…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-08-03 Ehsan Moradi , Debajyoti Mondal

The objective of a genome-wide association study (GWAS) is to associate subsequences of individuals' genomes to the observable characteristics called phenotypes (e.g., high blood pressure). Motivated by the GWAS problem, in this paper we…

Information Theory · Computer Science 2020-10-15 Behrooz Tahmasebi , Mohammad Ali Maddah-Ali , Seyed Abolfazl Motahari

Genome sequence analysis plays a pivotal role in enabling many medical and scientific advancements in personalized medicine, outbreak tracing, and forensics. However, the analysis of genome sequencing data is currently bottlenecked by the…

Hardware Architecture · Computer Science 2021-11-04 Damla Senol Cali