[Rd] converting #sec to POSIX* format

[Peter Dalgaard BSA]

lsjensen <lsjensen@micron.com> writes:

> Sure I'm missing something simple here, but I haven't been able to find a
> easy way to convert a pure numeric (# of seconds since the beginning of
> 1970) back into a POSIX* object. 
> 
> ex.
> > z<-as.POSIXct(Sys.time()) 
> > z
> [1] "2002-05-01 10:33:56 Mountain Daylight Time"
> > x<-unclass(z)
> > x
> [1] 1020270836
> 
> Is there a simple way to transform x back into a POSIX* object similar to z?

> 1020270836 + ISOdate(1970,1,1,0,0)
[1] "2002-05-01 18:33:56 CEST"


-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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