what is the difference between the two matrix B and C?
> B
m n
1 1 2
2 7 8
> C <- cbind(x=A[, 1], n=B[, 2])
> C
x n
[1,] 1 2
[2,] 3 8
For B, it use 1 and 2 to indicate rows while C use[1,] and [2,]
On 3/23/06, Jacques VESLOT <jacques.veslot at cirad.fr> wrote:
> C <- cbind(x=A[, 1], n=B[, 2])
>
>
>