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st: RE: obtaining the list of values of a variable
. whelp levels
> 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.
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