Type I error simulation

JC Jaeyoon Chung
GJ Gyungah R. Jun
JD Josée Dupuis
LF Lindsay A. Farrer
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We simulated three phenotypes that were multivariate normally distributed with mean 0 and covariance Σ for 2000 samples. Five million simulation tests were performed to evaluate whether the combined methods for multiphenotype gene-based test maintained the correct type I error rate. Type I error rate was evaluated through four scenarios by different factor loadings (Λ = 0.15, 0.35, 0.55, or 0.75, see Supplementary Table 1).

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