[R] Deltas or changes

[Henrique Dallazuanna]

You can try this:

Reduce("/", as.data.frame(embed(x, 2)))

On Tue, Mar 9, 2010 at 10:37 AM, ManInMoon <xmoon2000 at googlemail.com> wrote:
>
> How can I generate a vector of differences between each elemtn of an vector?
>
> i.e. a[i]=x[i]/x[i-1]
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O