Chunk #10 — Methods — Data simulation

Source

A comparison of multivariate genome-wide association methods.

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where is the trait-specific proportion of the variance not explained by h2 j and rEjj is the residual correlation between the traits excluding the QTL effect. The correlated residuals were generated using the function mvrnorm from the R package MASS. Third, all traits were centered and scaled to have zero mean and unit variance.