| quadrupen-package | Sparsity by Worst-Case Quadratic Penalties | 
| bounded.reg | Fit a linear model with infinity-norm plus ridge-like regularization | 
| crossval | Cross-validation function for quadrupen fitting methods. | 
| cvpen-class | Class "cvpen" | 
| deviance-method | Class "quadrupen" | 
| elastic.net | Fit a linear model with elastic-net regularization | 
| fitted-method | Class "quadrupen" | 
| plot-method | Plot method for cross validated error of a 'quadrupen' model | 
| plot-method | Plot method for a quadrupen object | 
| plot-method | Plot method for 'stability.path'. | 
| plot.cvpen | Plot method for cross validated error of a 'quadrupen' model | 
| plot.quadrupen | Plot method for a quadrupen object | 
| plot.stability.path | Plot method for 'stability.path'. | 
| predict-method | Class "quadrupen" | 
| print-method | Class "quadrupen" | 
| print-method | Class "stability.path" | 
| quadrupen | Sparsity by Worst-Case Quadratic Penalties | 
| quadrupen-class | Class "quadrupen" | 
| residuals-method | Class "quadrupen" | 
| show-method | Class "quadrupen" | 
| show-method | Class "stability.path" | 
| stability | Stability selection for a quadrupen fit. | 
| stability.path-class | Class "stability.path" |