Re: [R] Does SQL group by have a heavy duty equivalent in R

From: Farrel Buchinsky <>
Date: Tue 02 Jan 2007 - 01:02:01 GMT

Absolutely wonderful. Yes indeed, instead of having two variables being listed as group by in a sql statement one can use a combination of cbind, unique, duplicated and indexing to get the same data without having to go through second programs.

        [[alternative HTML version deleted]] mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Tue Jan 02 15:32:40 2007

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