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Re: st: Translate Google Trends date system into Stata date system
From
Stephen Cranney <[email protected]>
To
[email protected]
Subject
Re: st: Translate Google Trends date system into Stata date system
Date
Tue, 30 Apr 2013 15:05:42 -0400
The split and -parse- commands worked perfectly for my purposes. Thank you.
On Tue, Apr 30, 2013 at 2:38 PM, Phil Schumm <[email protected]> wrote:
> On Apr 30, 2013, at 1:27 PM, Stephen Cranney wrote:
>> I'm trying to get long series of dates I downloaded from Google Trends to function in Stata. Unfortunately, Google Trends's way of doing dates makes this difficult. An example value from a single observation:
>>
>> 2004-01-04 - 2004-01-10
>>
>> This represents the week of January 04, 2004 to January 10, 2010. However, Stata is (understandably) reading this as a string variable. Is there a way to take variables like this and break them into a beginning date and ending date or something similar?
>
>
> Several ways, e.g.,
>
> if regexm("2004-01-04 - 2004-01-10","^([0-9\-]+) - ([0-9\-]+)$") ///
> di %td date(regexs(1),"YMD"), %td date(regexs(2),"YMD")
>
>
> -- Phil
>
>
> *
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--
Stephen Cranney
PhD Student
Graduate Group in Demography
University of Pennsylvania
*
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