[R] Delta in time series

[Gabor Grothendieck]

Try this:

> library(zoo)
> Lines <- "2009-03-09 12:00:00,1
+ 2009-03-09 13:30:00,2"
> z <- read.zoo(textConnection(Lines), sep = ",", tz = "")
> 1/frequency(as.zooreg(z))
[1] 5400

noting that 5400 seconds is 1.5 hours.

On Wed, Jun 10, 2009 at 5:04 AM, koj<jens.koch at gmx.li> wrote:
>
> Hi all,
>
> I have time data in the following format:
>
> 2009-03-09 12:00:00
> 2009-03-09 13:30:00
>
> Now I want to compute the delta between the two time points, which results
> in this example in 1,5 h. I tried this via "ts" and the related functions
> but so far without sucess. Can anybody help me?
>
> Thank you very much in advance.
>
>
>
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