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st: AW: from value to varnames


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: from value to varnames
Date   Mon, 18 May 2009 22:55:16 +0200

<> 


*************
clear*

input str10 field	 str5	cat order  
namea		A	1
nameb B 2
namec F 5
named T 12
end

//compress
list, noobs 

forv i=1/`=_N'{
	egen `=field[`i']' = concat(cat order)
}

//counter to -replace- redundant stuff...
local cou =0

foreach var of varlist nam*{
	loc ++cou
	replace `var'="" if _n!=`cou'
}

list, noo

*************



HTH
Martin


-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Richard
Goldstein
Gesendet: Montag, 18. Mai 2009 22:41
An: statalist
Betreff: st: from value to varnames

Hi,

I have a data set with 3 variables: field, cat, order; there are 258 
observations

I want the 258 observations in field to be 258 variables where the name 
of the value in field becomes the new variable name; I want to keep the 
associated values of the other two fields

For example, say that the first observation has the following values:

field		cat 	order
namea		A	1

I want a new set of variables such that I have a variable called "namea" 
and I still have cat (of "A") and order (of "1") -- but remember that I 
should now have 258 variables--cat and order can be joined as the value 
for each variable; thus, for the example above, the first variable 
(namea) would now have the value "A1"

I hope that this is sufficiently clear (note that there is no pattern in 
the values of field (the new varnames)

thanks,

Rich
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