gamsel (version 1.8-1)

plot.cv.gamsel: Plotting Routine for Gamsel Cross-Validation Object

Description

Produces a cross-validation curve with standard errors for a fitted gamsel objecty.

Usage

# S3 method for cv.gamsel
plot(x, sign.lambda = 1, ...)

Arguments

x

cv.gamsel object

sign.lambda

Either plot against log(lambda) (default) against -lambda if sign.lambda=-1.

…

Optional graphical parameters to plot.

Details

A plot showing cross-validation error is produced. Nothing is returned.

References

Chouldechova, A. and Hastie, T. (2015) Generalized Additive Model Selection

Examples

# NOT RUN {
data=gendata(n=500,p=12,k.lin=3,k.nonlin=3,deg=8,sigma=0.5)
attach(data)
bases=pseudo.bases(X,degree=10,df=6)
# Gaussian gam
gamsel.out=gamsel(X,y,bases=bases)
gamsel.cv=cv.gamsel(X,y,bases=bases)
par(mfrow=c(1,1))
plot(gamsel.cv)
# }

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