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

BBands bbands at gmail.com
Mon Jan 1 19:41:02 CET 2007

On 12/30/06, Farrel Buchinsky <fjbuch at gmail.com> wrote:
> Instead I used RODBC
> sqlSave(channel,RawSeq)
> to push the table into a Microsoft Access database
> Then a sql query, courtesy of the Microsoft Access Query Wizard a la design
> mode.

If SQL does prove to be part of your approach you might want to have a
look at SQLite. Dirk introduced it to me back when we worked on
Crusher. We use it for development and some production work. Main
attributes: simple, fast and light weight.

Everything you for R need here:

SQLite's home page:

And a Python connector:

John Bollinger, CFA, CMT

If you advance far enough, you arrive at the beginning.

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