Hello - Is there a way to restrict observations over which a do-file
operates without using the -syntax- command? The syntax command allows [if]
and [in] options, but is extremely picky about using numbers or non existent
variable names in the argument list. Therefore I'd rather check for the -if-
condition directly. I assume there must be some system macro which stores
the -if- or -in- condition. How can I get it without using -syntax- ?
Al Feiveson
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