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st: more complicated counting...
I have data about surgeons who were operated on at different hospitals.
I'd like to keep the information from the hospital with the most cases:
Patient Surgeon Hosp Cases@hosp NumofHosp
A A 1 4 1
B A 1 4 1
C A 1 4 1
D A 1 4 1
E B 1 2 2
F B 1 2 2
G B 2 1 2
I've used gsort so Cases@hosp is in descending order. I'd like to have
a way of creating a new var (keepers) that would identify patients A-F
but not patient G (second hospital for the surgeon and the hospital with
the fewest cases for that surgeon). Or, put another way, if the Hosp
changes for a surgeon the indicator var "keepers" goes from a 0 to 1 and
stays that way until the next surgeon.
I realize there are a lot of programs out there (SSC). How does one go
about searching them for a possible solution to programming challenges?
Jesse Moore, MD
General Surgery Resident
Fletcher Allen Healthcare
University of Vermont
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