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RE: st: more complicated counting...
Thanks for your response. You'll have to forgive my using illegal names
for variables. I am new to stata and did not realize that such a beast
existed. The variable names I used in my email are different than in my
dataset, as I was trying to impart more information for the listserv.
Apparently that backfired!
I'll try to clarify my question: Patients are operated on by a surgeon,
a surgeon may operate at more than one hospital. If a surgeon operates
at more than one hospital I want to keep the patients from the hospital
where the surgeon did the most cases (to preserve as much sample size as