Normally one uses POSIXct rather than POSIXlt for storage. See R News 4/1 for
more info on date and time classes.
On Feb 17, 2008 3:45 PM, Bo Zhou <[EMAIL PROTECTED]> wrote:
>
> Hi Guys,
>
> I'm cooking up my time series code. I want a data frame with first column as
> timestamp in POSIXlt format.
>
> I hit on this the problem of how to create an array/list/vector of POSIXlt
> objects. Code is as follows
>
>
>
> > dtt=array(dim = 2)
> > t=as.POSIXlt( strptime("07/12/07 13:20:01", "%m/%d/%Y %H:%M:%S",tz="GMT"))
> > dtt
> [1] NA NA
> > t
> [1] "0007-07-12 13:20:01 GMT"
> > dtt[1]=t
> Warning message:
> In dtt[1] = t :
> number of items to replace is not a multiple of replacement length
> > class(dtt)
> [1] "list"
> > class(t)
> [1] "POSIXt" "POSIXlt"
> > unclass(t)
> $sec
> [1] 1
>
> $min
> [1] 20
>
> $hour
> [1] 13
>
> $mday
> [1] 12
>
> $mon
> [1] 6
>
> $year
> [1] -1893
>
> $wday
> [1] 4
>
> $yday
> [1] 192
>
> $isdst
> [1] 0
>
> attr(,"tzone")
> [1] "GMT"
>
>
>
> Seems like POSIXlt is matrix in this case.
>
> Any suggestions?
>
> Cheers,
>
> B
> _________________________________________________________________
> [[elided Hotmail spam]]
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
