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 Submitted by   Information 
Douglas Maraun
Title SOWAS - software for wavelet analysis and synthesis
Platform R, Matlab
Summary Sotware package to estimate the wavelet spectrum, cross spectrum and coherence, to perform significance tests, and to simulate non-stationary surrogate data. A manual, tutorial and FAQs as well as a list of interesting literature are provided.
Comments The software is provided in R and Matlab. It calculates the wavelet sample spectrum, sample cross spectrum and sample coherence. For the wavelet spectrum and coherence, a significance test is offered that accounts for intrinsic correlations (i.e. for the geometry of false positive patches). This test is highly specific and uncovers many false positive results. Furthermore, non-stationary surrogate data from a time series can be simulated that exhibit (almost) the same wavelet spectrum than the sample wavelet spectrum of the time series. The package in particular aims to provide tools to increase the reliability of continuous wavelet analysis.

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