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2012 Oct 10
3
How to replicate SAS by group processing in R
...9/16/2012 14 How would I replicate this kind of logic in R? I have seen PLY & data.table packages mentioned but don't see how they would do the job. Thanks ahead for your help -- View this message in context: http://r.789695.n4.nabble.com/How-to-replicate-SAS-by-group-processing-in-R-tp4645753.html Sent from the R help mailing list archive at Nabble.com.