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Re: st: RE: number generation


From   Tyler Frazier <tyfrazier@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: number generation
Date   Sun, 30 May 2010 23:27:44 +0200

ok finally got it, for anyone who is interested

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

gen str3 bldg1 = string(bldg,"%03.0f")
*******

which works with outsheet


On Sun, May 30, 2010 at 10:45 PM, Tyler Frazier <tyfrazier@gmail.com> wrote:
> 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 <tyfrazier@gmail.com> 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 <martin.weiss1@gmx.de> 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: owner-statalist@hsphsun2.harvard.edu
>>> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Tyler Frazier
>>> Sent: Sonntag, 30. Mai 2010 19:02
>>> To: statalist@hsphsun2.harvard.edu
>>> 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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