[R] How to stack the columns of matrix

[Giovanni Petris]

as.vector is probably what you need.

Giovanni

-- 

 __________________________________________________
[                                                  ]
[ Giovanni Petris                 GPetris at uark.edu ]
[ Department of Mathematical Sciences              ]
[ University of Arkansas - Fayetteville, AR 72701  ]
[ Ph: (479) 575-6324, 575-8630 (fax)               ]
[ http://definetti.uark.edu/~gpetris/              ]
[__________________________________________________]

> Date: Wed, 12 Jun 2002 15:36:40 +0200 (CEST)
> From: "Dr. Peter Schlattmann" <schlatti at mailer.ukbf.fu-berlin.de>
> Sender: owner-r-help at stat.math.ethz.ch
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> 
> Dear all,
> 
> I need to stack the columns of a matrix with a variable number of columns.
> I am aware of 
> 
> new<-c(a[,1],a[,2])
> 
> if I have a matrix 'a' with e.g. two columns. For a simulation study I
> need to stack 
> the matrix with a variable number of columns. Is there a way to do this?
> 
> Many thanks in advance
> Peter
> 
> 
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