[R] passing a string to expand.grid

[Thomas Kaliwe]

Thank you

-----Ursprüngliche Nachricht-----
Von: ggrothendieck at gmail.com [mailto:ggrothendieck at gmail.com] 
Gesendet: Freitag, 12. Mai 2006 16:26
An: Thomas Kaliwe
Cc: r-help at stat.math.ethz.ch
Betreff: Re: [R] passing a string to expand.grid

Try this:

x <- "c(-1,1), c(-1,1)"
eval(parse(text = paste("expand.grid(", x, ")")))

On 5/12/06, Thomas Kaliwe <hamstersquats at web.de> wrote:
> Hi R-Users,
>
> I'm having a problem with strings.
>
> My string looks like this "c(-1,1), c(-1,1)" and I would like to pass
it
> to expand.grid so that expand.grid(c(-1,1),c(-1,1)) will be done.
>
> Cheers,
>
> Thomas
>
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