Raj Natarajan wanted (if I understood it right) to reduce a dataset to the observations where Procedure==1.
This is simple:
keep if Procedure==1
But I have the feeling that the question is more complex. Is it?
Svend Juul
__________________________________________
Svend Juul
Institut for Epidemiologi og Socialmedicin
(Dept. Epidemiology and Social Medicine)
Vennelyst Boulevard 6
DK-8000 Aarhus C, Denmark
Phone, work: +45 8942 6090
Phone, home: +45 8693 7796
Fax: +45 8613 1580
E-mail: [email protected]
_________________________________________
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