FourierRand


It simulates a surrogate with similar Fourier spectrum for a given time series x analyzed by wavelet transformation using either function
<code>analyze.wavelet</code> or function <code>analyze.coherency</code>. A set of surrogates is used for significance assessment to test the hypothesis of equal periodic components. <p></p><p>This code has been developed by Huidong Tian (archived R package <code>WaveletCo</code>).
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Wavelet analysis and reconstruction of time series, cross-wavelets and phase-difference (with filtering options), significance with simulation algorithms.

FourierRand: Simulation of a surrogate for a given time series x by Fourier randomization

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