ABHom Annotation Formula

mikawinmikawin Posts: 30Member
edited October 2012 in Ask the GATK team

Hello,

For the “ABHom” annotations, the VCF header gives the following formula : (A/(A+O)). What does the 'O' stand for?

Thanks,
Mika

Post edited by Geraldine_VdAuwera on
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Best Answer

  • pdexheimerpdexheimer Posts: 472Member, GATK Dev, DSDE Dev mod
    Answer ✓

    They're the same metric, the samples that they are calculated on are stratified by the genotype call. So A and O represent reference and alternate. Or maybe alternate and other

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