I meant what R commands did you use to change the database's version
of the time/date object to the R version?
Bill Dunlap
TIBCO Software
wdunlap tibco.com


On Wed, Jul 30, 2014 at 11:07 AM, John McKown
<john.archie.mck...@gmail.com> wrote:
> On Wed, Jul 30, 2014 at 12:54 PM, William Dunlap <wdun...@tibco.com> wrote:
>>> I should have mentioned that I tried other time stamps, generated the
>>> same way as "q" above.
>>
>> How did you generate q and in what time zone were you?
>
> I got it from an MS-SQL data base which is maintained by some
> closed-source vendor software. But I manipulate the data in the SELECT
> before sending it to R via ODBC. I need to double check the raw data
> in the data base.
>
>> Note that 2am
>> on 9 March 2014 is when 'daylight savings time' started in the parts
>> of the US where it is observed.  Does 2am exist or do we jump from
>> 1:59:59 to 3:00:00?
>
> Hum, that hadn't occurred to me. I need to see what is in the DB.
>
> But I think you have found my problem. If I force the timezone to be
> GMT, then the problem disappears. So that is what I'll do with this
> data.
>
>>
>>
>> Bill Dunlap
>> TIBCO Software
>> wdunlap tibco.com
>
> --
> There is nothing more pleasant than traveling and meeting new people!
> Genghis Khan
>
> Maranatha! <><
> John McKown

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