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st: AW: dummy variable name from a string variable


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: dummy variable name from a string variable
Date   Fri, 13 Nov 2009 16:10:27 +0100

<> 

BTW, even if you stuck to your -tabulate, gen()- strategy, -encode- would
not be necessary...



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

input str2 citycode
"NY"
"LA"
"HO"
"SF"
"CH"
end

compress
list, noobs 

tabulate citycode, gen(citydummy)
*************



HTH
Martin


-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von tom j
Gesendet: Freitag, 13. November 2009 15:06
An: statalist@hsphsun2.harvard.edu
Betreff: st: dummy variable name from a string variable

I want to create 10 dummy variables based on one string variable
"city", which lists the city codes (like NY) of 10 cities. I can do
this simply by (after encoding the city variable):

tabulate city, gen(citydummy)


This would create citydummy1 to citydummy10. What I want is to suffix
each dummy with city codes, listed in the variable 'city' , so I have
the dummy variables named from, for example, citydummyNY to
citydummyAM.

The city variable has multiple occurrences of each code. I have had a
look at -renvars- but I don't think that alone will solve my problem.

Any ideas?
Tom.
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