[R] documents for writing functions

[Spencer Graves]

Have you considered the two books by Venables and Ripley (2002) Modern 
Applied Statistics in S and (2000) S Programming (both Springer)?  If 
yes, I don't know what you mean by "the usually available manuals."

hope this helps.

Rado Bonk wrote:
> Hi,
> 
> Does anybody know suitable documents (manuals) on writing user functions
> (covering loops, conditions ...) in R? Other than the usually available
> manuals.
> 
> Thanks,
> 
> Rado
> 
>