> W <- matrix(c(2,4,2,8,1,3), ncol = 3)
> which(W == min(W), arr.ind = TRUE) #### note difference...
row col
[1,] 1 3
> W # chech
[,1] [,2] [,3]
[1,] 2 2 1
[2,] 4 8 3
Bill Venables
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-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of kate
Sent: Monday, 31 March 2008 1:53 PM
To: r-help@r-project.org
Subject: [R] Find the index for min of a matrix
Hi,
My example is as the following,
W<-matrix(c(2,4,2,8,1,3),ncol=3)
which(W==min(W))
I would like to find the index for min of the matrix W, i.e. (1, 3)
instead of 5 as the output. What command could I use?
Thanks,
Kate
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and provide commented, minimal, self-contained, reproducible code.
