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RE: st: another data cleaning question [correction]
> I suggest that any test be in terms of the first three
> characters of the string equivalent.
> list if string(cropcode) != substr(string(varcode,1,3))
list if string(cropcode) != substr(string(varcode),1,3)
> More generally, whenever codes are pseudo-numeric, there
> are several advantages to holding them as strings.
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