Re: [R] Filters in waveslim

From: Elizabeth Lawson <lizzylaws_at_yahoo.com>
Date: Wed 11 Jan 2006 - 03:38:38 EST


Using R, I believe only the Haar and Daubechies wavelets are available. wavethresh does allow for you to use different filter numbers with the Daubechies wavelets that I think you cannot do using waveslim. You can do cross-validation to find the best fit across different filter niumbers and thersholdings.    

  Hope this helps!    

  Elizabeth Lawson

Amir Safari <amsa36060@yahoo.com> wrote:   

Dear R Users,
For running wavelet functions using dwt( ), modwt( ), and mra( ), a wavelet filter algorithm is applied. For all these functions, default is "la8" and other possibility is "haar". In related documents, another possibilities like as symlet and coiflet ... are not cited. Besides "la8" and "haar", which wavelet filters can be used? Thank you for any help,
Amir Safari


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