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Hello, I use wavethresh packages to perform wavelet analysis. In particular, I would like to compare 2 signals (vectors) after a wavelet decomposition. I would like to use cor.test function, but this function acts on the entire vector values. I plan to perform a cor.test on each level of the wavelet decomposition, say N. So I will have at the end of a first step N results of cor.test. How can

.... Brandon -------------------------------------------------------------------------- Senior Researcher in Imaging GlaxoSmithKline Research Statistics Unit New Frontiers Science Park (South) Third Avenue, Harlow CM19 5AW phone: +44 (0)127 963 1285 United Kingdom fax: +44 (0)127 964 4004

Dear helpers, When I use the function cgt of library Rwave, the time axis of the plot is always on the [0,1] scale regardless of the original time. This happedn when I tried to reproduce some pictures of "Practical Time-Frequency Analysis", e.g. Figure 3.5 and 3.6 using the codes provided in the book. But the figures of the book display the real sampling time using the same codes.