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Re: st: RE: dummy variable name from a string variable


From   tom j <tomstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: dummy variable name from a string variable
Date   Fri, 13 Nov 2009 18:31:30 +0100

Thanks, Good to know about dummieslab; that's a nice program indeed
Martin, you are right; -encode- was unnecessary.
Tom.

On Fri, Nov 13, 2009 at 4:35 PM, philippe van kerm
<philippe.vankerm@ceps.lu> wrote:
> In addition to solutions already suggested, the -dummieslab- utility might be your friend here:
>
> ssc describe dummieslab
>
> For example
>
> sysuse auto
> encode make , gen(make2)
> dummieslab make2
> dummieslab make2 , template("cardummy_@")
>
> (see the -dummieslab- help for variations on naming possibilities)
>
> Philippe
>
>> -----Original Message-----
>> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
>> statalist@hsphsun2.harvard.edu] On Behalf Of tom j
>> Sent: Friday, November 13, 2009 3:06 PM
>> To: statalist@hsphsun2.harvard.edu
>> Subject: 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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