[R-SIG-Finance] millisec timestamps for rows of xts/zoo object

[Gabor Grothendieck]

On Sun, Jun 5, 2011 at 2:14 PM, Ulrich Staudinger <ustaudinger at gmail.com> wrote:
> Hi Dirk,
>
> but I don't have a POSIXct object, I have an xts time series object and want
> the timestamps as seconds/milliseconds with the goal to save it to a
> database ...
>

Try this assuming x is an xts object with POSIXct times:

z <- as.zoo(x)
time(z) <- as.numeric(time(z) - start(z))


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