cpr0.4.1 package

Control Polygon Reduction

bsplineD

B-spline Derivatives

bsplines

B-Splines

btensor

btensor

build_tensor

Build Tensor

cn

Control Nets

cnr

Control Net Reduction

coef_vcov

Extract Regression Coefficients for B-Splines and Tensor Products of B...

cp_diff

Vertical Difference between two Control Polygons

cp_value

Control Polygon Value

cp

Control Polygons

cpr-defunct

Defunct Functions

cpr-package

cpr: Control Polygon Reduction

cpr

Control Polygon Reduction

generate_cp_formula_data

Generate Control Polygon Formula and Data

get_spline

Get the Control Polygon and the Spline Function

get_surface

Get Surface

iknots_or_df

Internal Knots or Degrees of Freedom

influence_of_iknots

Determine the influence of the internal knots of a control polygon

insert_a_knot

Insert a Knot into a Control Polygon

knot_expr

Knot Expressions

loglikelihood

Determine the (quasi) Log Likelihood for a regression object.

matrix_rank

Rank of a Matrix

newknots

New Knots for CPs and CNs in CPR and CNR

order_statistics

Distribution of Order Statistics

plot.cpr_bs

Plot B-spline Basis

plot.cpr_cn

Plotting Control Nets

plot.cpr_cnr

Control Net Reduction Plots

plot.cpr_cp

Plotting Control Polygons

plot.cpr_cpr

Control Polygon Reduction Plots

plot.cpr_summary_cpr_cpr

Plotting Summaries of Control Polygon Reductions

predict.cpr_cp

Model Prediction

print.cpr_bs

Print bsplines

sign_changes

Sign Changes

summary.cpr_cn

Summary of Control Net

summary.cpr_cnr

Summarize Control Net Reduction Objects

summary.cpr_cp

Summarize a Control Polygon Object

summary.cpr_cpr

Summarize a Control Polygon Reduction Object

trimmed_quantile

Trimmed Quantiles

update_bsplines

Update bsplines or btensor calls

wiggle

Wiggliness of a Spline function

Implementation of the Control Polygon Reduction and Control Net Reduction methods for finding parsimonious B-spline regression models.

  • Maintainer: Peter DeWitt
  • License: GPL (>= 2)
  • Last published: 2026-01-08