[R] power spectrum of eeg

Mike Marchywka marchywka at hotmail.com
Sun Nov 21 17:21:26 CET 2010





> Date: Sun, 21 Nov 2010 00:18:24 -0800
> From: master.rstat at yahoo.com
> To: r-help at r-project.org
> Subject: [R] power spectrum of eeg
>
>
> Hi,
> I need to find the power spectrum of an eeg and display frequency in hz. I
> found two functions, spectrum or auspec but they give me frequency from 0.0
> - 0.5. How do i get frequency in Hz or KHz?
 
Help it to help you and show it a scaling factor.
 
?spectrum points to something callsed frequency(x) that presumably
shows it the scaling factors. 
 
 

> Also, is it possible to plot two overlapping spectra in order to compare
> their peaks etc?
>
> Thanks for any help.
> --
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