[R] Simple rep() question duplicating times and dates.

[Gustaf Rydevik]

On Wed, Nov 5, 2008 at 4:02 PM, John Kane <jrkrideau at yahoo.ca> wrote:
>
> I want to create a data.frame of time and date for a year.  I started with the idea of simply producing two vectors (time and date)
>
> The first part ( time) is easy.
>  rep(1:24, 365)
>
> But how do I get a series of 24 dates for O1 January 2005 and repeat this to 31 December 2005.
>
> It should be easy but I don't see it.
>
> Thanks


Hi John,

?Date leads you to (among other things) ?seq.Date.

Something like this should work:

time<-rep(1:24, 365)
dates<-seq(as.Date("01012005",format="%d%m%Y"),as.Date("31122005",format="%d%m%Y"),by=1)
TimeFrame<-data.frame(time)
TimeFrame$dates<-rep(dates,each=24)


Regards,
Gustaf
-- 
Gustaf Rydevik, M.Sci.
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