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Results tagged with fourier-transform
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user 269053
The Fourier transform decomposes a signal (a function of time) into frequencies, giving the energy at each frequency.
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Interpretation of fast fourier transform in a simple time series
I am struggling with understanding the result of FFT in R. I have 729 observations, two years data. In the data I simulated there were more visitors every sunday.
I divided 729/7 which is approximatel …
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