Dear help list,
I have a timestamp in as a chron object:
> (x <- chron(dates = c("12/02/11", "22/11/11"),
+ times = c("07:30:00", "04:00:00"),
+ format = c(dates = "d/m/y", times = "h:m:s")))
[1] (12/02/11 07:30:00) (22/11/11 04:00:00)
Now I want to shift the timestamp by 06:30 (hh:mm) backwards, to get
[1] (12/02/11 01:30:00) (21/11/11 21:30:00)
How can I achieve this? Are there any more detailed examples on
manipulation of chron objects? I have some trouble with this.
Thanks in advance,
Maciej Hoffman-Wecker
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