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Re: st: RE: number generation


From   Tyler Frazier <[email protected]>
To   [email protected]
Subject   Re: st: RE: number generation
Date   Sun, 30 May 2010 22:45:07 +0200

I found this works, but it seems the format option should be in the
same line with -tostring-

******
bysort plot: gen bldg=_n

tostring bldg, gen(bldg1)

format %003s bldg1
*******


On Sun, May 30, 2010 at 10:31 PM, Tyler Frazier <[email protected]> wrote:
> I came up with this short code based on your recommendation -- the
> bysort works fine, but I am having problems with the format option,
> its syntax I believe.
>
> *******
> bysort plot: gen bldg=_n
>
> tostring bldg, gen(bldg1) format(%3s)
> *******
>
>
> On Sun, May 30, 2010 at 7:14 PM, Martin Weiss <[email protected]> wrote:
>>
>> <>
>>
>> The solution could be as easy as
>>
>>
>> ***********
>> bysort block: gen bldg=_n
>> ***********
>>
>> See NJC`s http://www.stata-journal.com/sjpdf.html?articlenum=pr0004
>>
>>
>> HTH
>> Martin
>>
>>
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On Behalf Of Tyler Frazier
>> Sent: Sonntag, 30. Mai 2010 19:02
>> To: [email protected]
>> Subject: st: number generation
>>
>> I would like to generate a method to number buildings in sequence, but
>> restart the sequence in accordance with a group.  For example I have
>> the following nomenclature
>>
>> (block)  (round)   (plot)     (bldg)
>>  005       050       010       xxx
>>  005       050       020       xxx
>>  005       050       030       xxx
>>  005       050       040       xxx  ...
>>
>>  005       050       150       xxx  ...
>>
>>  005       060       010       xxx  ...
>>
>>  010       010       010       xxx  ...
>>
>>
>> where xxx represents a unique object identifier.  I'm thinking to use
>> gen or egen with a cond() qualifier, but how to set the parameters for
>> the unique object identifier such that it returns sets of the
>> following structure
>>
>>  005      050       010         001
>>  005      050       010         002
>>  005      050       010         003  ...
>>
>>  005      050       010         999
>>
>> thank you,
>> Ty
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>

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