[R] tapply for enormous (>2^31 row) matrices

Gabor Grothendieck ggrothendieck at gmail.com
Mon Feb 27 00:30:16 CET 2012

On Thu, Feb 23, 2012 at 11:39 AM, Matthew Keller <mckellercran at gmail.com> wrote:
> Thank you all very much for your help (on both the r-help and the
> bioconductor listserves).
> Benilton - I couldn't get sqldf to install on the server I'm using
> (error is: Error : package 'gsubfn' does not have a name space). I
> think this was a problem for R 2.13, and I'm trying to get the admin's
> to install a more up-to-date version. I know that I need to probably
> learn a modicum of SQL given the sizes of datasets I'm using now.

Right. See the troubleshooting section of the sqldf home page:

Statistics & Software Consulting
GKX Group, GKX Associates Inc.
tel: 1-877-GKX-GROUP
email: ggrothendieck at gmail.com

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