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RE: st: Identify and Replace Values


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Identify and Replace Values
Date   Mon, 12 Jul 2010 21:11:04 +0200

<>

Just use the normal string functions, then:

***********
di in r subinstr("not a good varname", " ", "_",.)
***********


HTH
Martin


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Tobias Friedli
Sent: Montag, 12. Juli 2010 21:05
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: Identify and Replace Values

Thanks. This would be exactly what i am looking for. But it seems like this 
command was introduced in Stata 11 and i am stil working with Stata 10. Can 
i download this function somehow, so i can use it in Stata 10? Or is there a

similar function?

On Mon, 12 Jul 2010 20:56:03 +0200
  "Martin Weiss" <martin.weiss1@gmx.de> wrote:
> 
> <>
> 
> ***********
> h strtoname
> ***********
> 
> 
> HTH
> Martin
> 
> -----Original Message-----
>From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Tobias Friedli
> Sent: Montag, 12. Juli 2010 20:35
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: Identify and Replace Values
> 
> Thank you very much, it seems to work like a charm. Only Problem is, that 
> the some Model-names contain spaces and then Stata says "invalid name". I 
> know there is a command to relpace all the spaces by an underscore, but i 
> can't find it anymore. Anybody knows this command? Thanks
> 
> 
> 
> On Mon, 12 Jul 2010 13:52:46 -0400
>  Jeph Herrin <stata@spandrel.net> wrote:
>> how about
>> 
>>  levelsof traded_model, local(traded)
>>  levelsof new_model, local(new)
>>  local onlytraded : list traded - new
>>  local onlynew    : list new - traded
>>  local others     : list onlynew | onlytraded
>> 
>>  replace traded_model="others" if inlist(traded_model,"`others'")
>>  replace new_model   ="others" if inlist(new_model,"`others'")
>> 
>> 
>> hth,
>> Jeph
>> 
>> On 7/12/2010 12:18 PM, Hobst wrote:
>>> Hello
>>>
>>> I have a huge dataset containing automotive brand-swiching data. I have
a
>>> variable called traded_model and another variable called new_model. in 
>>>order
>>> to output a symmetric swiching matrix i need to identify all the 
>>>expressions
>>> that are eigther only in traded_brand or only in new_brand and replace
> the
>>> expression with "others". For example a model called "318d" exists in
>>> traded_model but not in new_model, so all the "318d" should be replaced
> by
>>> "others".
>>>
>>> Does anyone have an idea how i can programm that? I dont get it to work,

>>>and
>>> doing it manually is close to impossible as there are more than 1000
>>> different model names.
>>>
>>> Any help is much appreciated, thank you.
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