[R] formating chron date times for printing

[Gabor Grothendieck]

On Tue, Jun 29, 2010 at 2:01 PM, stephen sefick <ssefick at gmail.com> wrote:
> the date were created with chron with this argument
>
> format=c(dates="Y/m/d", times="H:M:S"))
>
> so I have the dates being displayed as
>
> (10/06/22 12:00:00)
>
> I would like to have them displayed as
>
> "2010-06-22 12:00:00" or "%Y-%m-%d %H:%M:%S"
>
> and then I can convert these for mergeing with another data frame
>
> x <- (structure(c(14464, 14464.0104166667, 14464.0208333333, 14464.03125,
> 14464.0416666667), format = structure(c("Y/m/d", "H:M:S"), .Names = c("dates",
> "times")), origin = c(1, 1, 1970), class = c("chron", "dates",
> "times")))
>
> reading through old posts I found this:
>
> format(x, enclosed = c("", ""))
>
> which put the which surrounds the date time with "" instead of ()
> now I would like to change the format of the dates to print like the
> above specified.
> kindest regards,
>

Try this:

> format(as.POSIXlt(x, tz = "GMT"))
[1] "2009-08-08 00:00:00" "2009-08-08 00:15:00" "2009-08-08 00:29:59"
[4] "2009-08-08 00:45:00" "2009-08-08 01:00:00"