RE: st: converting date format

["Bosch, Darrell" <bosch@vt.edu>]

Thank you!

Darrell Bosch

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Dimitriy V. Masterov
Sent: Monday, July 22, 2013 2:39 PM
To: Statalist
Subject: Re: st: converting date format

If your date is stored as a string, you will need to convert it to Stata date format first:

. gen date2=date(date,"MDY")

. format date2 %td

Then convert it to year-quarter like this:

. gen yq = qofd(date2)

. format yq %tq


On Mon, Jul 22, 2013 at 11:29 AM, Bosch, Darrell <bosch@vt.edu> wrote:
>
>
> I have a dataset with data entered by quarter from 1947 to 2012.  The following date variable indicates the dates of each observation (month/day/year).
> 01/01/1947
> 04/01/1947
> 07/01/1947
> ...
> ...
> 01/01/2012
> 04/01/2012
> 07/01/2012
> 10/01/2012
>
> I would like to convert the dates to quarters as follows:
> 1947q1
> 1947q2
> 1947q3
> Etc.
>
> Any suggestions on how to do this would be appreciated.
>
> Darrell Bosch
>
>
>
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