peri {season} | R Documentation |
Periodogram
Description
Estimated periodogram using the fast Fourier transform (fft
).
Usage
peri(data,adjmean=TRUE,plot=TRUE)
Arguments
data |
a data frame. |
adjmean |
subtract the mean from the series before calculating the periodogram (default=TRUE). |
plot |
plot the estimated periodogram (default=TRUE). |
Value
peri |
periodogram, I(omega). |
f |
frequencies in radians, omega. |
c |
frequencies in cycles of time, 2π/omega. |
amp |
amplitude periodogram. |
phase |
phase periodogram. |
Author(s)
Adrian Barnett a.barnett<at>qut.edu.au
Examples
data(CVD)
peri(CVD$cvd)
[Package
season version 0.2-3
Index]