Robin Hankin wrote:
Hi.
I have been pondering array indexing via matrices.
> a <- array(1:27,rep(3,3))
> index <- matrix(c(1,1,1,1,2,3),2,3,byrow=TRUE)
> a[index]
[1] 1 22
as expected and documented. But what was the thinking
behind the decision to access the array by rows rather
than
Hi.
I have been pondering array indexing via matrices.
> a <- array(1:27,rep(3,3))
> index <- matrix(c(1,1,1,1,2,3),2,3,byrow=TRUE)
> a[index]
[1] 1 22
as expected and documented. But what was the thinking
behind the decision to access the array by rows rather
than columns?
The 'index' mat