| apply_karlin_quadratic | Apply Karlin-Studden constraints for a quadratic polynomial |
| Bspline_base | Build B-spline basis in piecewise polynomial form Computes local polynomial coefficients for each B-spline basis function on each interval. Polynomials are expressed in the canonical basis Uses De Boor's recursion formula. |
| Bspline_deriv | Differentiate a B-spline basis |
| bspline_to_deriv_coeffs_cubic | normalized first and second derivative coefficients on each interval. for a cubic B-spline basis |
| bspline_to_deriv_coeffs_lin | Derivative coefficients for linear B-spline to |
| bspline_to_deriv_coeffs_quad | quadratic B-spline derivative coefficients |
| bspline_to_deriv_coeffs_quart | Convert quartic B-spline to derivative coefficients |
| bs_direct | Direct evaluation of a B-spline basis |
| change_polynomial_base_taylor | Change polynomial basis (Taylor expansion) |
| make_spline | Create a callable spline object |
| polyadd | Polynomial addition |
| polyderiv | Polynomial derivative Computes the derivative of order 'der' of a polynomial. |
| polymul | Polynomial multiplication |
| poly_eval | Evaluate polynomial |
| print.callable_spline | Print method for callable spline |
| print.quantile_spline | Print method for quantile_spline results |
| quantile_spline | Unified Quantile Regression with B-Splines of Any Degree (1 to 4) |
| reduce_pol | Reduce polynomial |
| SplineConstQuantRegBs1 | Wrapper function for linear spline quantile regression |
| SplineConstQuantRegBs2 | Wrapper function for quadratic spline quantile regression Previous version notation style This is a convenience wrapper for SplineQuadraticQuant. |
| SplineConstQuantRegBs3 | Wrapper function for Cubic spline quantile regression |
| SplineConstQuantRegBs4 | Wrapper function for quartic spline quantile regression |
| SplineCubicQuant | Constrained quantile regression with cubic splines |
| SplineLinearQuant | Quantile regression with linear splines and monotonicity constraints |
| SplineQuadraticQuant | Quantile regression with quadratic splines and shape constraints |
| SplineQuarticQuant | Quantile regression with quartic splines and shape constraints |
| Spline_der_knot | Derivatives at knot of a B-spline |
| spline_eval | Evaluate a B-spline |
| test_karlin_simple | Comprehensive test function |
| view_basis | Visualize a B-spline functions basis |