dear all,
stata 8.2, windows xp pro,
i have two variables: plannedsx (for previous planned surgery) and emergsx (for previous emergency surgery), each is answered either yes or no (strings). i want to generate a new variable hadsx (i.e. has had surgery previously whether as a cold procedure or an emergent one, also a yes or no). an approach i could use (but haven't tried yet - but i think is do-ably with minimal pain):
first: generate and replace yes or no for each variable with 0 (for no) and 1 (for yes)
second: generate a temporary variable tempvar consisting the sum of those two variables, which therefore would only contain only values from 0, 1 or 2.
third: generate and replace 0 with a "no" and anything>0 with a "yes"
i am wondering whether there is a more direct method to achieve what i wanted. would appreciate advice/help in this data management matter.
thank you,
bw
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