Thanks so much, Chris! I only found Haar transformation from
"filter.select". The manual I found on "wd" doesn't include Haar in the
"family" specification. Essentially I want a code which can return
approximation coefficients and detail coefficients. There might be other
code in "wavethresh" I don't know of....I need more help here and thanks
again!
Zhen
Chris Friedl wrote:
The wavethresh package on CRAN has Haar wavelets.
Zhen Li wrote:
Dear all,
Using R function "dwt", it seems that I cannot specify the wavelet
transformation like Haar. What's the R code for wavelet decomposition
which allows me to specify Haar wavelet transformation? Of course, if it
can include "db2", that is even better. In general, I want an R function
like matlab code "dwt". Thanks in advance!
Zhen Li
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