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Re: st: how to create panel id


From   Xixi Lin <winnielxx@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   Re: st: how to create panel id
Date   Tue, 9 Jul 2013 15:15:45 -0400

great! thank you! ^_^

On Tue, Jul 9, 2013 at 3:10 PM, Richard Goldstein
<richgold@ix.netcom.com> wrote:
> egen ID=group(Ticker)
>
> Rich
>
> On 7/9/13 3:03 PM, Xixi Lin wrote:
>> Hi,
>>
>> I have a very simple question: how can I create IDs for panel data? In
>> other words, I need a ID number to replace the ticker name.
>>
>> For example:
>> Ticker Date ID
>> A       1        1
>> A       2        1
>> A       3        1
>> A       4        1
>> B       1        2
>> B       2        2
>> B       3        2
>> B       4        2
>>
>> Thanks for any help.
>>
>> Best,
>> Xixi Lin
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