genotypes               Simulated genotypes
groups                  Group indices for explanatory variables
lambda_max              Maximal lambda
lasso_variants          Lasso, group lasso, and sparse-group lasso
phenotypes              Simulated phenotypes
seagull                 Mixed model fitting with lasso, group lasso, or
                        sparse-group lasso regularization
seagull_bisection       Internal bisection algorithm
seagull_data            A simulated data set to get quickly started
