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Reproducible analysis of disease space via principal components using the novel R package syndRomics.

  • Author(s): Torres-Espín, Abel
  • Chou, Austin
  • Huie, J Russell
  • Kyritsis, Nikos
  • Upadhyayula, Pavan S
  • Ferguson, Adam R
  • et al.
Abstract

Biomedical data are usually analyzed at the univariate level, focused on a single primary outcome measure to provide insight into systems biology, complex disease states, and precision medicine opportunities. More broadly, these complex biological and disease states can be detected as common factors emerging from the relationships among measured variables using multivariate approaches. 'Syndromics' refers to an analytical framework for measuring disease states using principal component analysis and related multivariate statistics as primary tools for extracting underlying disease patterns. A key part of the syndromic workflow is the interpretation, the visualization, and the study of robustness of the main components that characterize the disease space. We present a new software package, syndRomics, an open-source R package with utility for component visualization, interpretation, and stability for syndromic analysis. We document the implementation of syndRomics and illustrate the use of the package in case studies of neurological trauma data.

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