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RE: st: RE: RE: RE: stringto date


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: RE: RE: stringto date
Date   Fri, 30 Nov 2007 15:32:10 -0000

Naturally I agree with the general advice (although I am not sure
about the FAQ; some FAQs appear to be write-only documents). But 
my main point was that this specific doesn't appear flagged within 
the usual "what's new" material. Correct me with a reference. 

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Svend Juul
Sent: 30 November 2007 15:20
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: RE: RE: RE: stringto date

There was this exchange
 
Rajesh Tharyan:
The command gen adate=date(date,"dmy"), where date is a string variable
works fine in stata9. However, it generates missing values in stata10.
 
Nick Cox:
In Stata 10, try "DMY".  
 
Rajesh Tharyan:
Is there a good reference on how little things like this have changed
between version 9 and 10? 
 
Nick Cox:
I am not sure whether this is flagged anywhere. It's arisen several
times on the list since Stata 10. No one pays much attention until it
bites them!  
 
-------------------------------------------------------------------
 
Get an overview of all changes from version 9 to 10 by:
 
  . help whatsnew9to10
 
This is a pretty long list. To see about current syntax for date
variables:
 
  . help date
 
This leads to a very large help file describing the new date_and_time
variables. It may be a bit overwhelming.
 
I think users would benefit from a shorter FAQ describing the changes in
date handling from version 9 to 10. 
 
Note that you can use version control to allow version 9 syntax:
 
  . version 9
  . gen adate=date(date,"dmy")
 
or
 
  . version 9: gen adate=date(date,"dmy")


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