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RE: st: Identify and Replace Values


From   "Martin Weiss" <[email protected]>
To   <[email protected]>
Subject   RE: st: Identify and Replace Values
Date   Mon, 12 Jul 2010 20:56:03 +0200

<>

***********
h strtoname
***********


HTH
Martin

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Tobias Friedli
Sent: Montag, 12. Juli 2010 20:35
To: [email protected]
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 <[email protected]> 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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