Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: date in stata
From
Luis Fallas <[email protected]>
To
[email protected]
Subject
Re: st: date in stata
Date
Mon, 8 Aug 2011 07:22:30 -0600
Thanks
the problem is resolved now...
regards
Luis Fallas
2011/8/8 Nick Cox <[email protected]>
>
> Any one using calendars other than the present Western calendar would
> I think be best advised to hold their dates as strings using the
> calendar in force at the time and numeric equivalents holding day
> before some base date.
>
> http://www.cambridge.org/gb/knowledge/isbn/item1164334/
>
> is a good source.
>
> Nick
>
> On Mon, Aug 8, 2011 at 2:33 AM, Austin Nichols <[email protected]> wrote:
> > Kit--
> > You have convert all dates to the Gregorian calendar, however...
> > remembering that nothing happened in the British
> > colonies between 2 Sep and 14 Sep 1752 because those days did not exist,
> > but there was a 30 Feb 1712 in Sweden.
> > Presumably, anyone with data for early dates is aware of this, but it
> > is worth remembering that
> > there were non-negligible changes in 1582 and many subsequent years,
> > differing by location:
> > http://en.wikipedia.org/wiki/Gregorian_calendar#Adoption_in_Europe
> >
> > On Sun, Aug 7, 2011 at 10:36 AM, Christopher Baum <[email protected]> wrote:
> >> On Aug 7, 2011, at 2:33 AM, Luist wrote:
> >>
> >>> id sex date of bird
> >>> 1 1 18/01/2000
> >>> 2 2 12/09/1998
> >>> 3 1 01/01/1969
> >>> 4 1 21/03/1950
> >>> 5 2 25/05/1898
> >>>
> >>>
> >>> Is there any way to change the settings for the Stata allows dates prior
> >>> to 1900?
> >>
> >>
> >> What makes you think Stata can't handle dates prior to 1900? If you want to keep track of Charlemagne's coronation, you certainly can:
> >>
> >> g date = mdy(var1, var2, var3)
> >> clonevar disdate = date
> >> format disdate %td
> >>
> >> +------------------------------------------+
> >> | var1 var2 var3 date disdate |
> >> |------------------------------------------|
> >> | 12 1 1900 -21580 01dec1900 |
> >> | 6 12 1899 -22117 12jun1899 |
> >> | 4 15 1898 -22540 15apr1898 |
> >> | 3 20 1842 -43020 20mar1842 |
> >> | 11 1 1789 -62151 01nov1789 |
> >> | 7 4 1776 -67019 04jul1776 |
> >> | 1 1 800 -423681 01jan0800 |
> >> +------------------------------------------+
> >>
> >> Stata may not be well suited for explorations in Roman history, as the first date that it can represent is 01jan0100 (see help date) but the Dark Ages are no problem.
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/