Published April 6, 2018 | Version v1
Software Open

Non-stationary surrogate time series

Description

Matlab codes implementing the non-stationary surrogate algorithm described in: 

M. Chavez, B. Cazelles (2019). Detecting dynamic spatial correlation patterns with generalized wavelet coherence and non-stationary surrogate data.  Scientific Reports, 9: 7389

Briefly, in contrast with classical methods, the surrogate data used here are realisations of a non-stationary stochastic process, preserving both the amplitude and time-frequency distributions of original data.

To reproduce the results in the figure, please run the routine reproduceFigures.m

Files

dataMeasles2Surrogate.txt

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