DIVAS: an R package for identifying shared and individual variations of multiomics data

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ID: 325571
2026
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Abstract
MOTIVATION: Multiomics data integration aims to identify biological patterns shared across molecular modalities. Most existing methods detect either jointly shared variation, across all modalities, or individual variation, unique to a single modality, but overlook partially shared variation, shared by only a subset of modalities. This is a critical limitation, because many biological mechanisms manifest in some but not all molecular modalities. RESULTS: We present an open-source R package implementing DIVAS (Data Integration Via Analysis of Subspaces), a framework for systematically identifying jointly shared, partially shared and individual variations across multiple data types. DIVAS combines angle-based subspace analysis with inference through rotational bootstrap, hierarchically searching all combinations of modalities to decompose multiomics data into interpretable components with scores and loadings. In simulations with a known sharing structure, DIVAS recovered every component across a wide range of noise levels, whereas existing methods did not. Applied to multi-modal COVID-19 data, it reveals partially shared immune and metabolic dysregulation patterns underpinning disease severity that conventional approaches would miss. AVAILABILITY AND IMPLEMENTATION: DIVAS is available at https://github.com/ByronSyun/DIVAS, with documentation and vignettes. The COVID-19 case study vignette is available at https://byronsyun.github.io/DIVAS_COVID19_CaseStudy/. SUPPLEMENTARY INFORMATION: Supplementary data are available at Bioinformatics online.
Reference Key
openalex_W7123698393 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yinuo Sun, J. S. Marron, Kim-Anh Lê Cao, Jiadong Mao
Journal BMC Bioinformatics
Year 2026
DOI
10.1093/bioinformatics/btag615
URL
https://doi.org/10.1093/bioinformatics/btag615
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