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RE: st: date formatting
From
Nick Cox <[email protected]>
To
"'[email protected]'" <[email protected]>
Subject
RE: st: date formatting
Date
Tue, 12 Oct 2010 22:23:47 +0100
This looks like "snap" with mine, except for "DMY" versus "dmy", etc. I don't have the software but I did reach across to the shelves of manuals to establish that in Stata 9 it was lower case.
Nick
[email protected]
Phil Schumm
On Oct 12, 2010, at 3:55 PM, Rodrigo Briceño wrote:
> Dear Stata users. I'm using stata 9 and windows XP. I need to
> format a date variable in order to be able to define a panel
> dataset. My time variable (t) is in the format day/month/year, but
> the tricky thing is that this format changes for a specific set of
> observations. From 1-185705 the time variable is dd/mm/yy, but from
> 185706-360288 the format is mm/dd/yy. I imported the data from excel
> using insheet.
>
> Before knowing about the existence of the two different formats of
> time in my variable I used: generate t2=date(t,"dmy"), but then a
> lot of missing values appeared. What do you think it is plausible to
> be used so I can get my new time variable (t2) that considers the
> differences in formats already present in my stata dataset?
gen t2 = cond(_n<=185705, date(t,"DMY"), date(t,"MDY"))
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