[R] for-loop with multiple variables changing

[Petr Pikal]

Hi

do you want this?

for(i in a) {print(a[i]); print(b[i])}

HTH
Petr


On 6 Feb 2006 at 11:53, Piet van Remortel wrote:

To:             	r-help at stat.math.ethz.ch
From:           	Piet van Remortel <piet.vanremortel at gmail.com>
Date sent:      	Mon, 6 Feb 2006 11:53:33 +0100
Subject:        	[R] for-loop with multiple variables changing

> 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 ?
> 
> thanks !
> 
> Piet
> (Univ. of Antwerp - Belgium)
> 
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Petr Pikal
petr.pikal at precheza.cz