use POSIXct instead
Sent from my iPad
On Mar 15, 2012, at 6:21, MSousa <ricardosousa2000 at clix.pt> wrote:
> Hello
>
> I have this little dataset, my goal is create one column in the
> data.frame with between the diference DataTime and Duration.
> I'm using the next code to make do this
>
> TIME_STAMP SESSIONTIME Time TimeStart
> 1162343932 8320 2006-10-31 19:01:34 2006-10-31 16:42:54
> 1162343215 592 2006-10-31 19:02:04 2006-10-31 18:52:12
> 1162341465 11875 2006-10-31 19:02:27 2006-10-31 15:44:32
> 1162339324 118 2006-10-31 19:03:01 2006-10-31 19:03:03
> 1162339381 2
>
> Dataset$Time<-as.POSIXlt(TIME_STAMP, origin="1970-01-01",
> tz="America/New_York")
> temp1<-Dataset$Time-Dataset$SESSIONTIME
> Dataset$TimeStart<-as.POSIXlt(temp1, origin="1970-01-01",
> tz="America/New_York")
>
>
> I don't understand why changed the data in column TimeStar on 4
register
>
> Thanks
>
> --
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>
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