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RE: st: obtaining the list of values of a variable
Is levels an ado file or an option of some command? I cannot find it.
From: Edwin Leuven [mailto:firstname.lastname@example.org]
Sent: Thu 01/04/2004 15:22
Subject: Re: st: obtaining the list of values of a variable
check out -levels-
On Thu, 1 Apr 2004, dr kardos laszlo wrote:
> hi all,
> after some search into the matter, i am still puzzled by this: is there an
> easy way of obtaining the (alphabetical, if possible) list of unique values
> taken by a string variable and assigning it to a local macro?
> preferably, this would be done without having to change the dataset
> then -restore-.
> i have a feeling someone must have done this before and there is a
> straightforward solution i happen to overlook.
> thanks a lot,
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
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