[R] Wavelets

Josué Polanco jomopo at gmail.com
Fri Oct 23 15:08:31 CEST 2009

hi all,

I don't use the package "wavethresh", but I suppose that
should be possible to fill of ZEROS (zero padding) the time series,
such that its length has a 2^n elements. Another way is to
cut (remove) some elements, so that, the new length
has 2^n elements.

You can get more info. @
A practical guide to Wavelet Analysis
C. torrence and G. P.Compo
Bulleting of the American Meteorology. Society.

I hope this help you,

Josue Polanco

On Fri, Oct 23, 2009 at 2:56 PM, Ashta <sewashm at gmail.com> wrote:
> Hi all,
> I am trying to do wavelets and I got  an error message saying "The
> length of data is not a power of 2"
> Is there a way of handing  that? or should the data length be  exactly
> the power of  2?
> I am using   R version 2.9.2 (2009-08-24)
> The is  library(wavethresh).
> wds <- wd(ds$v,filter.number=1)
> Thanks
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Josué Mosés Polanco Martínez
Correo-e alternativo jomopo at linuxmail.org
It is a wasted day unless you have learned something new and made
someone smile -Mark Weingartz.

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