qpAdm best practices: the current checklist, with the numbers behind every rule
The definitive working checklist for qpAdm in 2026 — temporal stratification, right-set construction, lowest-rank-first search, composite feasibility and reporting standards — each rule carrying its measured justification from the 2021–2025 audit literature.
Related posts
Learn qpAdm: the complete guide, from zero to defensible models
A structured learning path through everything qpAdm — what to read in what order, from the f4-statistics underneath to running models in R, choosing outgroups, reading results and knowing the method's measured limits.
3 min read
Classic ADMIXTOOLS vs ADMIXTOOLS 2: why your qpAdm numbers differ, and how to match them
Same model, different p-value: the real differences between original qpAdm and ADMIXTOOLS 2 — allsnps semantics, fudge_twice, f2 precomputation — and the settings that reproduce classic behaviour when you need to.
3 min read
AADR sample labels explained: .SG, .DG, .HO and how to choose samples safely
The suffixes on AADR population labels encode how each genome was produced — capture, shotgun, diploid, array — and mixing them carelessly biases f-statistics. What each label means and the selection rules that keep models honest.
3 min read