In the works. I’ve not yet managed to finish. require(data.table) A = data.table(x=1:2, y=3:4) B = data.table(x=2:3, y=3:4)
anti-join: A[!B, on="x"] # equivalently A[!B, .SD, on="x"] semi-join: A[B, .SD, nomatch=0L, on="x"] -- Arun On 21 December 2015 at 17:09:22, statquant3 ([email protected]) wrote: Hello, is there a join vignette for data.table ? I realize that I am now more and more using dplyr just for semi_join and anti_join. Is there any plan to write those sugar function ? Happy to do it here and get feedback. C. -- View this message in context: http://r.789695.n4.nabble.com/join-vignette-for-data-table-tp4715792.html Sent from the datatable-help mailing list archive at Nabble.com. _______________________________________________ datatable-help mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
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