periodogram {kza} | R Documentation |
Raw periodogram.
periodogram(y)
y |
The raw data. |
Periodogram is an estimate of the spectral density using FFT.
kzp
,
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')