Skip to contents

Ridge functions

Functions for computing ridge regressions

genridge-package genridge _PACKAGE
Generalized ridge trace plots for ridge regression
precision()
Measures of Precision and Shrinkage for Ridge Regression
ridge() coef(<ridge>) print(<ridge>) vcov(<ridge>)
Ridge Regression Estimates
vif(<ridge>)
Variance Inflation Factors for Ridge Regression

Plot methods

Plotting ridge regression results

contourf()
Enhanced Contour Plots
plot(<ridge>)
Bivariate Ridge Trace Plots
plot(<precision>)
Plot Bias vs Variance for Ridge Precision
plot3d()
3D Ridge Trace Plots
pairs(<ridge>)
Scatterplot Matrix of Bivariate Ridge Trace Plots
traceplot()
Univariate Ridge Trace Plots
trans.colors()
Make Colors Transparent

PCA methods

Low-rank PCA methods

pca()
Transform Ridge Estimates to PCA Space
biplot(<pcaridge>)
Biplot of Ridge Regression Trace Plot in SVD Space

Data sets

Data sets in the package

Acetylene
Acetylene Data
Detroit
Detroit Homicide Data for 1961-1973
Manpower
Hospital manpower data
prostate
Prostate Cancer Data