Calculates a test statistic for a test of stationarity based on the local wavelet spectrum.
A local wavelet spectrum estimate, i.e. a
The test statistic given by Taylor et al. (2014) for a test for stationarity is computed for use in the boostrap testing procedure (
The value of the test statistic for the given spectrum.
Sarah L. Taylor
Taylor, S.L., Eckley, I.A., and Nunes, M.A. (2014) A test of stationarity for textured images. Technometrics (to appear).
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