R help - Oct 2009 - what's the R code for wavelet decomposition (Haar transformation)?

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

What package are you using?  There are quite a few functions that do
wavelet decomposition.  Have you tried an R site search?

Stephen

On Fri, Oct 16, 2009 at 3:43 PM, Zhen Li <zli at bios.unc.edu>
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
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>


-- 
Stephen Sefick

Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods.  We are mammals, and have not exhausted the
annoying little problems of being mammals.

								-K. Mullis

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
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 
-- 
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