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

From: Gustaf Rydevik <gustaf.rydevik_at_gmail.com>
Date: Wed, 05 Nov 2008 16:14:19 +0100

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.
tel: +46(0)703 051 451
address:Essingetorget 40,112 66 Stockholm, SE
skype:gustaf_rydevik

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