Thank you for all your answers...

I solved my problem thanks to you all !

david


2005/12/6, paul sorenson <sourceforge@metrak.com>:
>
> Return something that can hold more than one value, eg:
>
> calculate <- function(x, y) {
>        list(a=x+y, b=x-y)
> }
>
> David Hajage wrote:
> > Thank you for your answer.
> >
> > And what if my first function gives 2 results :
> >
> > calculate <- function(x,y)
> > {
> >     a <- x + y
> >      b <- x - y
> > }
> >
> > How can I use both a and b in a new function ?
>
>


--
David

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