Message-ID: <Pine.A41.4.44.0304210824340.124622-100000@homer03.u.washington.edu>
Date: 2003-04-21T15:25:50Z
From: Thomas Lumley
Subject: How to assigen column of matrix
In-Reply-To: <HDEPJCAKDEJMEEHKJOKECEIHCAAA.myao@ou.edu>
On Mon, 21 Apr 2003, Minghua Yao wrote:
>
> Hi,
>
> A simple question.
>
> I want to assign values to columns (or rows) of a matrix.
>
> It seems that
> AA[,i]<-A; # A is a vector or array;
> doesn't work.
>
It seems that it does work for me:
> AA<-matrix(1:4,2)
> AA
[,1] [,2]
[1,] 1 3
[2,] 2 4
> A<-c(10,11)
> AA[,2]<-A
> AA
[,1] [,2]
[1,] 1 10
[2,] 2 11
if that's what you were trying to do. Note that command lines in R don't
end with a ;, but in this case it doesn't matter.
-thomas