| nested_structure | Automatically generate objects used to describe the structure of the nested group lasso penalty. | 
| overlap_structure | Automatically generate objects used to describe the structure of the overlapping group lasso penalty | 
| plot.sox | Solution path plot for 'sox()' | 
| plot.sox_cv | Plots for 'sox_cv' | 
| sim | A simulated demo dataset 'sim' | 
| sox | (Time-dependent) Cox model with structured variable selection | 
| sox_cv | cross-validation for 'sox' |