[R] Using indexing to manipulate data
dwadswor at unm.edu
Thu Mar 18 06:05:38 CET 2010
I know one of R's advantages is it's ability to index, eliminating the need
for control loops to select relevant data, so I thought this problem would
be easy. I can't crack it. I have looked through past postings, but
nothing seems to match this problem
I have a data set with one column of actors and one column of acts. I need
a list that will give me a pair of actors in each row, provided they both
participated in the act.
The Data looks like this:
I would like this:
The order doesn't matter (Jim-Bob vs. Bob-Jim), but each pairing should be
counted only once.
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