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Re: st: Writing a value from a variable into a macro


From   Ulrich Kohler <kohler@wzb.eu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Writing a value from a variable into a macro
Date   Fri, 24 Sep 2010 14:44:35 +0200

Am Freitag, den 24.09.2010, 14:31 +0200 schrieb Palan, Stefan
(stefan.palan@uni-graz.at):
> Hi everybody,
> 
> I would like to write a specific value of a variable in my dataset into a macro. Assume I have a dataset with the two variables "number" and "text". They contain observations like (1, "one"), (2, "two"), (3, "three"), etc. Now I would like to write a specific value into a local macro. For example, I might be looking for the text that goes with the observation with number==2, and would like to assign that value to a local macro. Very amateurishly, I was looking for code similar to the following:
> 
> local v=text if number==2
> 
> Unfortunately, that doesn't work. Can somebody help me with some code that would actually work?


If your dataset _really_ is as you described you can 

. sort number
. local v = text[2]

With _really_ I mean: number contains only 
 (a) positive integer numbers  
 (b) each number exist only once
 (c) no gaps in between two subsequent integer numbers
 (d) no missings

Otherwise the above will fail.

Uli

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