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Table 1 Population stratification configurations in simulations I and II

From: Robust methods for population stratification in genome wide association studies

  

Case

Control

  

proportion

proportion

S1

(moderate)

(0.6,0.4)a

(0.4,0.6)b

S2

(more extreme)

(0.5,0.5)

(0,1)

S3

(moderate)

(0.45,0.35,0.20)

(0.35,0.20,0.45)

S4

(more extreme)

(0.33,0.67,0)

(0,0.33,0.67)

  1. a The proportion of cases sampled from each subpopulation.
  2. b The proportion of controls sampled from each subpopulation.