R/periodogram.R
In waveslim: Basic Wavelet Routines for One-, Two- and Three-dimensional Signal Processing

per <- function(z) {
  n <- length(z)
  (Mod(fft(z))**2/(2*pi*n)) [1:(n %/% 2 + 1)]
}

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waveslim documentation built on May 2, 2019, 4:41 p.m.

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