[R] Intersect 2 lists+bring extra columns

jsteimle jsteimle at uchicago.edu
Mon Sep 2 00:01:28 CEST 2013


Hi A.K.

That is exactly what I was hoping to do. If you have the time, can you
explain what the fruit[,-1] term means in the merge? 

Also, if I wanted to expand the number of columns to report to include a 4th
column, let's call it flavor, how would I go about doing that?

J.S.



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