APCoA: Covariate adjusted principal coordinates analysis

Yushu Shi, Liangliang Zhang, Kim Anh Do, Christine B. Peterson, Robert R. Jenq

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

In fields, such as ecology, microbiology and genomics, non-Euclidean distances are widely applied to describe pairwise dissimilarity between samples. Given these pairwise distances, principal coordinates analysis is commonly used to construct a visualization of the data. However, confounding covariates can make patterns related to the scientific question of interest difficult to observe. We provide adjusted principal coordinates analysis as an easy-to-use tool, available as both an R package and a Shiny app, to improve data visualization in this context, enabling enhanced presentation of the effects of interest.

Original languageEnglish (US)
Pages (from-to)4099-4101
Number of pages3
JournalBioinformatics
Volume36
Issue number13
DOIs
StatePublished - Jul 1 2020

ASJC Scopus subject areas

  • Statistics and Probability
  • Biochemistry
  • Molecular Biology
  • Computer Science Applications
  • Computational Theory and Mathematics
  • Computational Mathematics

MD Anderson CCSG core facilities

  • Biostatistics Resource Group
  • Microbiome Facility

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