[R] problems in vectors of dates_times

Troels Ring tring at gvdnet.dk
Fri Apr 7 09:00:52 CEST 2017


Thanks a  lot - perhaps it is just understanding how times dates are 
handled, sorry to bother if that is just the case

C[1]==A[1]  # TRUE

but

C[1]
[1] "2013-03-28 07:00:00 CET"
A[1]
[1] "2013-03-28 06:00:00 UTC"





Den 07-04-2017 kl. 08:27 skrev Ulrik Stervbo:
> Hi Troels,
>
> I get no error. I think we need more information to be of any help.
>
> Best wishes,
> Ulrik
>
> On Fri, 7 Apr 2017 at 08:17 Troels Ring <tring at gvdnet.dk> wrote:
>
>> Dear friends - I have further problems  handling dates_times, as
>> demonstrated below where concatenating two formatted vectors of
>> date_times results in errors.
>> I wonder why this happens and what was wrong in trying to take these two
>> vectors together
>> All best wishes
>> Troels Ring
>> Aalborg, Denmark
>> Windows
>> R version 3.3.2 (2016-10-31)
>>
>>
>> A <- structure(c(1364450400, 1364450400, 1364536800, 1364623200,
>> 1364709600,
>> 1364796000, 1364882400, 1364968800, 1365055200, 1365141600, 1365228000,
>> 1365314400, 1365400800), class = c("POSIXct", "POSIXt"), tzone = "UTC")
>> A
>> B <- structure(c(1365141600, 1365228000, 1365314400, 1365400800,
>> 1365487200,
>> 1365573600, 1365660000, 1365746400, 1365832800, 1365919200, 1366005600,
>> 1366092000), class = c("POSIXct", "POSIXt"), tzone = "UTC")
>> B
>> C <- c(A,B)
>> C
>>
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>
> ______________________________________________
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