On Thu, Apr 26, 2012 at 02:30:09PM -0500, cassie jones wrote:
> Hello R-users,
>
> I am having a problem with the 'break' command in R. I am wondering if
> anyone can help me out with this. My program is similar to the following.
>
> a=rep(NA,5)
> a[1]=0
> for(i in 2:5)
> {
> a[i]=a[i-1]+runif(1,0,3)
> if(a[i]>5)
> {
> i=2
> break
> }
> }
Hi.
Berend sent you a solution.
Perhaps, one thing concerning the for loops in R should be
clarified. The variable specified as the loop variable is
not the true loop variable, which controls the loop, since
one can have a loop for (i in c(1, 1, 1, 1, 1)). The true
control variable is hidden and cannot be changed. So the
for loop
for (i in 1:3) {
for (i in 1:4) {
cat("*")
}
cat("\n")
}
works correctly although the visible loop variables are the
same.
Petr Savicky.
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