[R] Spectrum decomposition

Bert Gunter gunter.berton at gene.com
Wed Jun 19 06:06:29 CEST 2013

1. Have you googled or binged?

2. Have you tried R Task Views: http://cran.r-project.org/web/views/
(esp. the TimeSeries one) ?

No guarantees, of course.

-- Bert

On Tue, Jun 18, 2013 at 4:08 PM, Jessica Inskip <jinskip at sfu.ca> wrote:
> Hi,
> I am currently performing heart rate variability analyses on beat-to-beat
> heart rate data using a non-parametric approach (AR power spectral density).
> I am interested in decomposing a AR-spectrum into its components (main
> outcomes of interest are the centre frequency and the power of the
> bell-shaped spectral components) similar to this function in octave
> http://www-2.nersc.no/~even/matlab/toolbox/biosig4octmat-2/tsa/ar_spa.m
> I have searched R packages and forums for leads on how I might be able to do
> this in R without success.
> Any help pointing me in the right direction would be greatly appreciated.
> Thank you very much,
> Jessica
> _________________________________
> Jessica Inskip, PhD Candidate
> Cardiovascular Physiology Laboratory, K8512 | Department of Biomedical
> Physiology and Kinesiology
> Simon Fraser University, 8888 University Drive, Burnaby BC, V5A 1S6
>         [[alternative HTML version deleted]]
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> and provide commented, minimal, self-contained, reproducible code.


Bert Gunter
Genentech Nonclinical Biostatistics

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