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Re: st: RE: Change string to year and month date


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: RE: Change string to year and month date
Date   Fri, 18 Oct 2013 16:36:17 +0100

This is more or less my advice sent earlier, except that
-mofd(date())- is two function calls instead of one, -monthly()-.

Nick
njcoxstata@gmail.com


On 18 October 2013 16:32, George Vega Yon <g.vegayon@gmail.com> wrote:
> Dear Matthew,
>
> I guess that what you are trying to do is this:
>
> gen DATE_OF_BIRTH3= mofd(date(DATE_OF_BIRTH2, "YM") )
> format DATE_OF_BIRTH3 %tm
>
> Please note that the function -mofd- returns a "monthly date", which
> in your case will be 2004m5
>
> Cheers!
>
> George
> George Vega Yon
> 7 647 2552
> http://cl.linkedin.com/in/georgevegayon
>
>
> 2013/10/18 Joe Canner <jcanner1@jhmi.edu>:
>> Matthew,
>>
>> A Stata date variable without a day doesn't make much sense, since a date variable is the number of days since 1/1/1960.  Please clarify what it is you intend to do with this variable so that we can give the best advice on how to proceed.
>>
>> Regards,
>> Joe Canner
>>
>> -----Original Message-----
>> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of DeMichele, Matthew
>> Sent: Friday, October 18, 2013 11:16 AM
>> To: statalist@hsphsun2.harvard.edu
>> Subject: st: Change string to year and month date
>>
>> I'm trying to create a date variable using only the year and the month from a string variable formatted as YYYYMM. For example, 200405 = May, 2004. I ran the syntax below, but this results in DAY appearing in the first two columns as "01" such that the example above would be 01May2004.
>>
>> gen DATE_OF_BIRTH3= date(DATE_OF_BIRTH2, "YM") format DATE_OF_BIRTH3 %td
>>

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