[R] Help Var passing in function

[ripley@stats.ox.ac.uk]

?substitute

On Fri, 21 Feb 2003, Mark Marques wrote:

> 
>   First thanks to the fast answer regarding the "Clustplot problem"...
>   Regarding a new problem:
> 
>   for (i in 1:5)
>   {
>   z <- clara(adata, i)
>   plot(z)
>   }
> 
>   in the above code in the plot screen I get something like:
>          clusplot(clara(x=adata,i)) in title
>   in the 2nd type of plot I get
>      silhouete plot of clara(x=adata,k=i,samples=50)
> 
>      How can I pass the real value to the i?
>      What kind of command "transform" a var into their own value ?
> 
>      I tried using something like ~i , %i , but with no luck...
>      Comments ?
>      Any undocumented feature ?

It's documented, both in R and in all good books on S programming.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595