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Re: st: data management


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: data management
Date   Thu, 15 Mar 2007 07:01:57 +0000 (GMT)

This question is a bit hard to understand since it appears to miss some
lines, but if you have trouble dealing with a string variable, than you
can make it numeric with the -encode- command.

Hope this helps

--- somsupa Nopprach <nmayecon31@yahoo.com> wrote:

> same parent firms in repeated investments. At first, i
> thought to create id number of investment from the
> same parent company. and then run conditonal logit by
> using option" group(id of the same parent firms)".
> 
>  However, some parent firms also invest only one time.
> so, if i just sort  parent company name, the
> investment that didnot have repeated or no second
> investment decision still include in the sample data.
> but I dont know how to sort and create id because the
> parent company name are string variables.
> 
> If you know the method, could you kindly answer my
> suggestions. 
> Thank you very much in advance.
> 
> yours sincerely,
> somsupa
> 
> 
>  
>
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-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


	
	
		
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