[R] Time rather than dates?

[Gabor Grothendieck]

Try using the "times" class in the chron package.

> library(chron)
> times(c("01:02:03","02:03:04"))
[1] 01:02:03 02:03:04

On 5/30/06, Robert Lundqvist <Robert.Lundqvist at ltu.se> wrote:
> Using strptime() and other functions for dates has been very helpful with
> the kind of data I often work with. However, I haven't found out how time
> as such should be specified. All my attempts result in time *and* date:
>
> >treatment_time<-c("01:02:03","02:03:04") # hours:minutes:seconds
> >time.2<-strptime(treatment_time,format="%H:%M:%S")
>
> >time.2
> [1] "1900-01-01 01:02:03" "1900-01-01 02:03:04"
>
> Why the 1900-...? I had hoped for some easy conversion from time to
> numeric data and possibly back. Assistance would be appreciated.
>
> Robert
>
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