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. 2016 Aug 31;7:155. doi: 10.3389/fgene.2016.00155

Figure 3.

Figure 3

Theoretical (A) type 1 error and (B) power of models 1 (Unadjusted) and 2 (Adjusted) using Equation (A6) and (A7) in Appendix. (A) Type 1 Error (no association between disease and DSL where f0 = f1 = f2 = 0.1). (B) Power (true association between disease and DSL where f0 = 0.1, f1 = 0.2, f2 = 0.3). N, sample size (100, 300, and 500); f0, penetrance for genotype 0 individuals; f1, penetrance for genotype 1 individuals; f2, penetrance for genotype 2 individuals.