package dplyr's full_join, left_join, right_join, inner_join are also
comparable in speed to data table. The syntax is also more like merge's.
On Thu, Jan 15, 2015 at 2:17 PM, Mike Miller mbmille...@gmail.com wrote:
Thanks, Jeff. You really know the packages. I search and I guess I
didn't
Thanks, Jeff. You really know the packages. I search and I guess I
didn't use the right terms. That package seems to do exactly what I
wanted.
Mike
On Tue, 13 Jan 2015, Jeff Newmiller wrote:
On Tue, 13 Jan 2015, Mike Miller wrote:
I have many pairs of data frames each with about 15
I have many pairs of data frames each with about 15 million records each
and about 10 million records in common. They are sorted by two of their
fields and will be merged by those same fields.
The fact that the data are sorted could be used to greatly speed up a
merge, but I have the
On Tue, 13 Jan 2015, Mike Miller wrote:
I have many pairs of data frames each with about 15 million records each and
about 10 million records in common. They are sorted by two of their fields
and will be merged by those same fields.
The fact that the data are sorted could be used to greatly
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