Re: [R] Filter design in R?

From: <dgaich_at_hotmail.com>
Date: Fri 21 Oct 2005 - 06:03:42 EST

Israel Christie <ichristie@gmail.com> writes:

> Dr. Williams,
> I ran across your inquiry on one of the R-help mailing lists regarding
> digital filter design and implementation. I found no response to your
> email in the archives and was wondering if you were able to find anything.
>

if you have mkfilter then something like

> ?system
> foo <- system("mkfilter -Bu -Lp -o 2 -a 0.2 -l", T,T)

will give you coefficients for Butterworth Low pass 2nd order filter w cuttof at 0.2; extract the coefficients from foo and feed it to filter.

Dragan Gajic



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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Oct 21 08:49:35 2005

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