Is there a function, or code snippet that anyone is aware of that will
give the number of elements in a MECE intersection of x vectors where
the total number of vectors is n?
I have several vectors, A, B, C, ....,n of varying length. I am trying
to figure out a way to systematically calculate the number of MECE
elements in all possible combinations of 2 vectors only, then do the
same for 3 vectors, etc.
For example, if I had just 3 vectors A, B and C, and I use the
intersect function for each combination of 2
> length(intersect(A,B))
> length(intersect(A,C))
> length(intersect(B,C))
then each result could also potentially include elements from other
vectors as well (i.e. > length(intersect(A,B)) includes elements from
C as well).
Any help or tips would be appreciated.
Thanks,
DMH
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