[R] ISOdatetime gives NA for a specific date

[Peter Dalgaard]

pbarros wrote:
> Hi all,
> 
> I am using ISOdatetime, and I just found out that when I do
> ISOdatetime(1995,03,26,2,10,0) (or any other value under minutes or seconds)
> I get NA
> 
> This does not happen with the same time in other dates, nor with different
> hours in the same date.
> Any hint why this happens?
> 
> Using R 2.8.1 under ESS/GnuEmacs under Windows XP
> 
> Pedro

Daylight savings time, I guess. The clock went directly from 1:59 to
3:00 that day. Other systems behave strangely (er, "handle the anomaly")
in different ways:


> ISOdatetime(1995,03,26,1,10,0)
[1] "1995-03-26 01:10:00 CET"
> ISOdatetime(1995,03,26,2,10,0)
[1] "1995-03-26 01:10:00 CET"
> ISOdatetime(1995,03,26,3,10,0)
[1] "1995-03-26 03:10:00 CEST"

(SUSE 10.2)



-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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