On Nov 13, 2013, at 1:35 PM, Stefan Petersson wrote:
> I have three media channels where I can push public health information (tv,
> radio and newspaper). Any given citizen can be touched by the information
> from one, two or three channels (let's ignore for the moment that citizens
> might miss
I have three media channels where I can push public health information (tv,
radio and newspaper). Any given citizen can be touched by the information
from one, two or three channels (let's ignore for the moment that citizens
might miss the information all together). Hence these sets:
library(sets
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