R/Analyze_Fre_Acf.R

Defines functions Analyze_Fre_Acf

Documented in Analyze_Fre_Acf

Analyze_Fre_Acf <-
function(ts, max_frequency = 0.5) { 
  acf_values <- acf(ts, plot = FALSE)$acf
  fft_values <- fft(acf_values)
  frequencies <- seq(0, max_frequency, length.out = length(fft_values))

  return(data.frame(frequency = frequencies, fft_value = Mod(fft_values)))
}

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ADTSA documentation built on May 29, 2024, 11:48 a.m.