Em Seg, 2004-11-22 Ãs 07:31 +0000, Prof Brian Ripley escreveu:
> The bug is in your (unstated) OS, probably in its locale handling.
> Does not happen on Solaris, Linux or Windows for me.
>
> In any case, why not use as.Date?
>
> On Mon, 22 Nov 2004, Juan Santiago Ramseyer wrote:
>
> > strptime return wrong data?, look the R session.
> >
> >
> > # datetxt: vector of date in text format
> >> datetxt <- c("1939-Oct-06 00:00:00", "1939-Oct-07 00:00:00",
> > "1939-Oct-08 00:00:00", "1939-Oct-09 00:00:00")
> >
> >> datehour <- strptime(datetxt,format= "%Y-%b-%d %H:%M:%S")
> >> datehour
> > [1] "1939-10-06 00:00:00" "1939-10-07 00:00:00" "1939-10-08 01:00:00"
> > [4] "1939-10-09 00:00:00"
> >
> > # look value of datehour[3] element, where hour output equal 01:00:00,
> > # but hour input equal 00:00:00.
>
> Is there a DST issue in your unstated timezone?
>
I run Fedora Core 3. In my computer, make
> julian(datehour)
Time differences of -11044.88, -11043.88, -11042.88, -11041.92 days
When de answer is not integer value
Juan.
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