'Constrained Quantile Regression with B-Splines'


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Documentation for package ‘BsplineQuantReg’ version 0.2.0

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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