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Z test

Definition
AI-generated

Large-sample normal-reference test for means or proportions—approximation behind some score tests at huge n.

Why it matters in GWAS

Statistical concepts underpin GWAS significance, effect estimation, relatedness random effects, multiple testing, fine-mapping priors, and post-GWAS multivariate methods.

Example usage

"The analysis uses Z test to quantify associations and compare alternative hypotheses."

References

  • Casella G, Berger RL. (2002). Statistical Inference. Duxbury Press.
  • Wasserman L. (2004). All of Statistics. Springer.

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