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st: RE: referencing variables


From   Daniel M�ller <[email protected]>
To   <[email protected]>
Subject   st: RE: referencing variables
Date   Thu, 9 Jan 2003 19:19:50 +0100

foreach m in 2 3 6 8 {
	gen y = x`m' + 1
}


Greetings,
Daniel

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of 
> [email protected]
> Sent: Thursday, January 09, 2003 6:57 PM
> To: [email protected]
> Subject: st: referencing variables
> 
> 
> Hello,
> 
> I was wondering if anyone can help me on this programming 
> problem.  I have an array of variables, let's say x1-x20, and 
> I wish to refer to one of them using values in another 
> variable (let's call it m), in an equation so that I can use 
> one equation that is different for each observation.  In 
> other words, if my equation is y = x`m' + 1 and m = 2, then 
> the equation for that particular observation would be y = x2 
> + 1.  Here is a partial list of what I'm talking about:
> 
> obs    m      equation
> 
> 1          2       y = x2 + 1
> 2          3       y = x3 + 1
> 3          6       y = x6 + 1
> 4          8       y = x8 + 1
> 
> I don't think using a global or macro variable works because 
> those only take on one value and because the equation is 
> essentially the model in a non-linear estimation, I don't 
> think I could use a loop.  I was wondering if there are more 
> options out there.  Thank you!
> 
> 
> 
> 
> Jackie Yuen
> 
> 
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> 


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