[R] fft question

[Frank Gerrit Zoellner]

On Thu, Mar 11, 2004 at 06:14:02PM +0100, Martin Maechler wrote:

> 
> Yes, manually, like
> 
>   fx <- fft(rep(x, 4))
> 

I think rep works on a vector but in my case x is a dataframe/matrix with the signal along the rows.

Does rep work on dataframes ?

Thanks,

-- 
Frank G. Zoellner
AG Angewandte Informatik
Technische Fakult"at
Universit"at Bielefeld
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