From maechler at stat.math.ethz.ch  Wed May  9 08:45:51 2007
From: maechler at stat.math.ethz.ch (Martin Maechler)
Date: Wed, 9 May 2007 08:45:51 +0200
Subject: [Rd] Do NOT misuse R-devel! {was "Median"}
In-Reply-To: <4640AE97.4040007@integromics.com>
References: <4640AE97.4040007@integromics.com>
Message-ID: <17985.28191.114979.268244@stat.math.ethz.ch>

Please, Jose,  do NOT misuse  R-devel for such questions!

There's R-help (and many good books on R and maybe your local R expert)
for asking such questions.

Definitely *not* the R-devel mailing list.

--> http://www.R-project.org/mail.html , the posting guide, etc.

Martin Maechler, ETH Zurich
{as maintainer of these R mailing lists}


>>  Hello.
>>  I need calculate the median of several column of a data.frame, in a new 
>>  column of this data frame, but the median operator only calculate from a 
>>  vector.
>> 
>>  I have made a functionc that calculate the median but it is very slow. 
>>  Are there any method in any package to calculate this?
>> 
>>  Best regards.
>>  Jose Sierra.
>> 
>> 	    A                        B                        C
>>  -0.01678042      -0.0003354948     -0.0003354948
............



[Rd] Do NOT misuse R-devel! {was "Median"}
Martin Maechler