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2018 Feb 17
0
Duplicate column names created by base::merge() when by.x has the same name as a column in y
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2018 Feb 17
2
Duplicate column names created by base::merge() when by.x has the same name as a column in y
Hi Frederick,
I would expect that any duplicate names in the resulting data.frame would
have the suffixes appended to them, regardless of whether or not they are
used as the join key. So in my example I would expect "names.x" and
"names.y" to indicate their source data.frame.
While careful reading of the documentation reveals this is not the case, I
would argue the intent of