FitAR (version 1.94)

sdfplot.ar: Autoregressive Spectral Density Estimation for "ar"

Description

Method for class "ar" for sdfplot.

Usage

"sdfplot"(obj, ...)

Arguments

obj

class "ar" object, output from ar

...

optional arguments

Value

Plot is produced using plot. Matrix with 2 columns containing the frequencies and spectral density is returned invisibly.

See Also

ARSdf, sdfplot, sdfplot.FitAR, sdfplot.ts

Examples

#Fit AR(p) using AIC model selection and Burg estimates. Plot spectral density
#estimate
ans<-ar(lynx, lag.max=20)
sdfplot(ans)