Simulated data from HCP data
A data frame with rows as subjects and columns as age, sex, BMI and regional cortical thickness values
Source
mvrnorm(n = 100, mu = mean_vals, Sigma = cov_matrix); sample(df.hcp$Age_in_Yrs, 100, replace = FALSE); sample(df.hcp$Sex, 100, replace = FALSE); sample(df.hcp$BMI, 100, replace = FALSE)