The problem is your loop condition.
For example, when i reaches (n-3), a[i + 5, ] is out of bounds.
-k
On Thu, Oct 8, 2009 at 4:14 PM, Ashta <sewa...@gmail.com> wrote:
> Hi all,
> I have a matrix named x with N by C
> I want to select every 5 th rrow from matrix x
> I used the following code
> n<- nrow(x)
> > for(i in 1: n){
> + b <- a[i+5,]
> >b
> }
> Error: subscript out of bounds
>
> Can any body point out the problem?
>
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>
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