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By Andi Thomaj
3 min read

Why admixture calculators disagree — and which number to believe

The same genome scores 44% North European in one calculator and 51% in another. Component anchoring, reference panels, the calculator effect and K explain the spread — and none of the numbers is 'the real one'.

admixturegedmatchmethodology

  1. Reason one: components are anchored, not discovered
  2. Reason two: K decides how the cake is cut
  3. Reason three: the calculator effect
  4. Reason four: different questions entirely
  5. So which number do you believe?

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