Description Usage Arguments Value Author(s) References Examples
Generate the power spectrum of a random time series with a specific AR(1) coefficient
1 | ar1.spectrum (ar1, periods)
|
ar1 |
first order coefficient desired. |
periods |
periods of the time series at which the spectrum should be computed. |
Returns the power spectrum.
Tarik C. Gouhier (tarik.gouhier@gmail.com)
Code based on WTC MATLAB package written by Aslak Grinsted.
Cazelles, B., M. Chavez, D. Berteaux, F. Menard, J. O. Vik, S. Jenouvrier, and N. C. Stenseth. 2008. Wavelet analysis of ecological time series. Oecologia 156:287-304.
Grinsted, A., J. C. Moore, and S. Jevrejeva. 2004. Application of the cross wavelet transform and wavelet coherence to geophysical time series. Nonlinear Processes in Geophysics 11:561-566.
Torrence, C., and G. P. Compo. 1998. A Practical Guide to Wavelet Analysis. Bulletin of the American Meteorological Society 79:61-78.
1 | p=ar1.spectrum(0.5, 1:25)
|
biwavelet 0.20.11 loaded.
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