| cov_lasso | Fit a linear regression model using a covariance matrix |
| cv_lasso | Fit a model using a design matrix with cross validation |
| lasso | Fit a model using a design matrix |
| logit_lasso | Fit a logistic regression model using a design matrix |
| plot_cv_lasso | Plot a cross validation error path |
| plot_lasso | Plot a solution path |
| predict_lasso | Predict responses |
| setup_lambda | Set up a lambda sequence |