Description Usage Arguments Value Author(s) References
View source: R/distr.func.help.R
These functions cooperate with each other for calculating the integral of the B-spline density basis. functions. 'distr.func.help' is the main program, calling 'poly.part', calculating the integral of the B-spline density basis in sections between neighbouring knots. 'distr.func.help' calculates analytical functions of the integral. Therefore the function 'poly.part' is needed to construct these functions.
1 2 |
base |
values of the considered B-spline basis |
knots |
knots of the considered B-spline basis |
penden.env |
Containing all information, environment of pencopula() |
q |
degree of the B-Spline basis |
y |
data of the marginal B-spline basis |
index |
columns of the whole B-spline basis, each hierarchy level is integrated separately |
i |
internal values for calculating the polynomials of each B-Spline |
j |
internal values for calculating the polynomials of each B-Spline |
help.env |
internal environment of pencopula() for calculating the integral |
yi |
internal values for calculating the polynomials of each B-Spline |
poly |
internal value, TRUE/FALSE |
distr.func.help |
creating environment 'help.env', creating help points between each two neighbouring knots and calculates the integral each basis |
poly.part |
using in 'distr.func.help' for creating the polynomial functions of each interval of each two neighbouring knots |
Christian Schellhase <cschellhase@wiwi.uni-bielefeld.de>
Flexible Copula Density Estimation with Penalized Hierarchical B-Splines, Kauermann G., Schellhase C. and Ruppert, D. (2013), Scandinavian Journal of Statistics 40(4), 685-705.
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