| as.polySpline | Convert a Spline to Piecewise Polynomial Spline Representation |
| asVector | Coerce an Object to a Vector |
| backSpline | Monotone Inverse Spline |
| backSpline.nbSpline | Monotone Inverse Spline |
| backSpline.npolySpline | Monotone Inverse Spline |
| bs | B-Spline Basis for Polynomial Splines |
| interpSpline | Create an Interpolation Spline |
| ns | Generate a Basis Matrix for Natural Cubic Splines |
| periodicSpline | Create a Periodic Interpolation Spline |
| periodicSpline.default | Create a Periodic Interpolation Spline |
| periodicSpline.formula | Create a Periodic Interpolation Spline |
| polySpline | Convert a Spline to Piecewise Polynomial Spline Representation |
| polySpline.bSpline | Convert a Spline to Piecewise Polynomial Spline Representation |
| polySpline.nbSpline | Convert a Spline to Piecewise Polynomial Spline Representation |
| polySpline.pbSpline | Convert a Spline to Piecewise Polynomial Spline Representation |
| polySpline.polySpline | Convert a Spline to Piecewise Polynomial Spline Representation |
| predict.bs | Evaluate a Spline Basis |
| predict.bSpline | Evaluate a Spline at New Values of x |
| predict.nbSpline | Evaluate a Spline at New Values of x |
| predict.npolySpline | Evaluate a Spline at New Values of x |
| predict.ns | Evaluate a Spline Basis |
| predict.pbSpline | Evaluate a Spline at New Values of x |
| predict.ppolySpline | Evaluate a Spline at New Values of x |
| splineDesign | Design Matrix for B-splines |
| splineKnots | Knot Vector from a Spline |
| splineOrder | Determine the Order of a Spline |
| xyVector | Construct an 'xyVector' Object |