| cpen | C code for convex penalized least squares regression. | 
| cvx.lip.reg | Convex Least Squares Regression with Lipschitz Constraint | 
| cvx.lip.reg.default | Convex Least Squares Regression with Lipschitz Constraint | 
| cvx.lse.con.reg | Convex Least Squares Regression. | 
| cvx.lse.con.reg.default | Convex Least Squares Regression. | 
| cvx.lse.reg | Convex Least Squares Regression. | 
| cvx.lse.reg.default | Convex Least Squares Regression. | 
| cvx.pen.reg | Penalized Smooth Convex Regression. | 
| cvx.pen.reg.default | Penalized Smooth Convex Regression. | 
| derivcvxpec | C code for prediction using cvx.lse.reg, cvx.lip.reg and cvx.lse.con.reg. | 
| fastmerge | Pre-binning of Data Points. | 
| penta | C code for solving pentadiagonal linear equations. | 
| plot.cvx.lip.reg | Convex Least Squares Regression with Lipschitz Constraint | 
| plot.cvx.lse.reg | Convex Least Squares Regression. | 
| plot.cvx.pen.reg | Penalized Smooth Convex Regression. | 
| plot.sim.est | Single Index Model Estimation: Objective Function Approach. | 
| plot.smooth.pen.reg | Penalized Smooth/Smoothing Spline Regression. | 
| predcvxpen | C code for prediction using cvx.lse.reg, cvx.lip.reg and cvx.lse.con.reg for function and its derivatives. | 
| predict.cvx.lip.reg | Convex Least Squares Regression with Lipschitz Constraint | 
| predict.cvx.lse.reg | Convex Least Squares Regression. | 
| predict.cvx.pen.reg | Penalized Smooth Convex Regression. | 
| predict.sim.est | Single Index Model Estimation: Objective Function Approach. | 
| predict.smooth.pen.reg | Penalized Smooth/Smoothing Spline Regression. | 
| print.cvx.lip.reg | Convex Least Squares Regression with Lipschitz Constraint | 
| print.cvx.lse.reg | Convex Least Squares Regression. | 
| print.cvx.pen.reg | Penalized Smooth Convex Regression. | 
| print.sim.est | Single Index Model Estimation: Objective Function Approach. | 
| print.smooth.pen.reg | Penalized Smooth/Smoothing Spline Regression. | 
| sim.est | Single Index Model Estimation: Objective Function Approach. | 
| sim.est.default | Single Index Model Estimation: Objective Function Approach. | 
| simestgcv | Single Index Model Estimation: Objective Function Approach. | 
| simestgcv.default | Single Index Model Estimation: Objective Function Approach. | 
| smooth.pen.reg | Penalized Smooth/Smoothing Spline Regression. | 
| smooth.pen.reg.default | Penalized Smooth/Smoothing Spline Regression. | 
| solve.pentadiag | Pentadiagonal Linear Solver. | 
| spen_egcv | C code for smoothing splines with randomized GCV computation. |