[R] Is this a bug?

[David Winsemius]

On Aug 31, 2009, at 8:31 PM, Worik R wrote:

> This programme
>
> for(T in 1:3){
>  for(j in 1:(5-1)){
>    for(k in (j+1):5){
>      for(l in (j+2):5){
>        print(paste("1 JKL:", j,k,l,sep=" "))
>      }
>    }
>  }
> }
>
> Prints out (among other things)
> [1] "1 JKL: 4 5 6"
>
> That is for(l in (j+2):5) sets l to 6 one more than the upper limit.

Except try this at the console and see if enlightenment occurs:

6:5

The second entry in n:m may not be an upper limit.

David Winsemius, MD
Heritage Laboratories
West Hartford, CT