Periodogram

Description

Raw periodogram.

Usage

periodogram(y)

Arguments

Details

Periodogram is an estimate of the spectral density using FFT.

See Also

kzp,

Examples

t<-1:1000
f1<-0.3
f2<-0.4
noise<-15*rnorm(length(t))
s<-3*sin(2*pi*f1*t)+3*sin(2*pi*f2*t)
plot(periodogram(s+noise),type='l')