On 2/6/06 5:53 AM, "Piet van Remortel" <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> Never really managed to build a for-loop with multiple running
> variables in an elegant way.
>
> Can anybody hint ?
>
> See below for an example of what I would like.
>
> EXAMPLE
> a<-c(1,2,3)
> b<-c("name1","name2","name3")
>
> for( number in a, name in b ) {
> print( number ) ##take a value
> print( name ) ##and have its name available from a second list
> }
>
> Does R support this natively ?
I'm not sure what language does support this construct natively? In any
case, what about:
for (j in a) {
print(a[j])
print(b[j])
}
You may be thinking of a "hash" structure. If you are, you could look at
using lists. See the R-intro on using list data structures.
Sean
______________________________________________
[email protected] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
