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ABSOLUTE is a tool for estimating tumor purity and cell ploidy by computing copy number variation (CNV) and multiplicity of mutations.


Analysis; Sequence analysis; Copy number estimation


  • Operation: Analysis; Sequence analysis; Copy number estimation; Structural variation discovery
  • Input: segmented copy number data, pre-computed models of recurrent cancer karyotypes, allelic fraction values for somatic point mutations
  • Output: -
  • Software interface: Command-line user interface
  • Language: R
  • Operating system: Microsoft Windows, Mac OS X, Linux
  • License: Other
  • Cost: Free for non-commercial use
  • Version name: 1.0.6
  • Maturity: Stable
  • Credit: The National Cancer Institute, the National Human Genome Research Institute, NIH National Research Service Award
  • Contact: Scott L. Carter scarter _at_
  • Collection: -


Carter SL, Cibulskis K, Helman E, McKenna A, Shen H, Zack T, Laird PW, Onofrio RC, Winckler W, Weir BA, Beroukhim R, Pellman D, Levine DA, Lander ES, Meyerson M, Getz G "Absolute quantification of somatic DNA alterations in human cancer." Nat Biotechnol. 2012 May;30(5):413-21.
PMID: 22544022
PMCID: PMC4383288

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