John Kane <[EMAIL PROTECTED]> wrote in
news:[EMAIL PROTECTED]:
> You are trying to create a matrix in the loop
>
> Try creating the matrix before the loop
> m <- 1:5
> n<-1:10
> y <- matrix(rep(NA, 50), nrow=m)
# I think that this might actually work:
y <- matrix(rep(NA, 50), nrow=max(m))
> for(i in 1:length(m))
> { for(j in 1:length(n))
> {
> y[i,j]=sum(i,j)
> }
> }
#produced:
Error in y[i, j] = sum(i, j) : subscript out of bounds
--
David Winsemius
>
> However as Jim Holtman points out you can do this
> particular matrix by
>
> outer(1:5, 1:10, "+")
>
>
> --- mohamed nur anisah <[EMAIL PROTECTED]>
> wrote:
>
>> Dear list,
>>
>> I'm trying to make a loop of a (5x10) matrix and
>> below are my codes. Could anybody help me figure out
>> why my loop is not working. Thanks in advance!!
>>
>>
>> m<-1:5
>> n<-1:10
>> for(i in 1:length(m))
>> { for(j in 1:length(n))
>> {
>> y[i,j]=sum(i,j)
>> y<-as.matrix(y[i,j])
>> }
>> }
>> cheers,
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