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Re:The R language, for programmers by hadley on Thursday December 04, 2014 @11:44PM (#8703044)
FWIW The performance difference is insignificant unless your working with >>10 of millions of rows.
Re:The R language, for programmers by craigching on Friday December 05, 2014 @11:28AM (#8705282)
I thought dplyr (note, not plyr, dplyr is the next iteration of plyr implemented mostly in native code) was pretty much as fast as data.table.