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475136
2013 Sep 01
1
Intersect 2 lists+bring extra columns
Hi everyone,
I am pretty new to R, so be patient.
I am trying to intersect 2 columns and in the rows that intersect, I want
information from the 3rd column to be brought with it. I think it will be
easier to explain with an example example.csv
<http://r.789695.n4.nabble.com/file/n4675136/example.csv> .
In my example, I have a reference list of fruit (first column), and my fruit
of interest (second column), and then in the third column, I have color
information about the fruit of interest in the second column.
Currently to find the intersection between column 1 and 2, I use...