[Rd] data frame subset patch, take 2

Jason Barnhart jasoncbarnhart at msn.com
Wed Dec 13 19:03:06 CET 2006

I think the efficiency gain is worthwhile.

----- Original Message ----- 
From: "Martin Maechler" <maechler at stat.math.ethz.ch>
To: "Marcus G. Daniels" <mgd at santafe.edu>
Cc: <R-devel at r-project.org>; "Vladimir Dergachev" 
<vdergachev at rcgardis.com>
Sent: Tuesday, December 12, 2006 10:08 AM
Subject: Re: [Rd] data frame subset patch, take 2


> Note however that some of these changes are backward
> incompatible. I do hope that the changes gaining efficiency
> for such large data frames are worth some adaption of
> current/old R source code..
> Feedback on this topic is very welcome!
> Martin


More information about the R-devel mailing list