Re: [R] power spectrum of eeg

2010-11-21 Thread Az Ha
David Scott-6 wrote: > > On 21/11/10 21:18, Az Ha wrote: >> 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

[R] power spectrum of eeg

2010-11-21 Thread Az Ha
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? Also, is it possible to plot two overlapping spectra in order to compare their peaks etc? Thanks f