On Sun, 22 Oct 2006, McGehee, Robert wrote:
> R-Developers,
> I'm looking for some help computing on the R language.
>
> I'm hoping to write a function that parses a language or expression
> object and returns another expression with all instances of certain
> argument of a given function altered. For instance, say I would like my
> function, myFun to take an expression and whenever the argument 'x'
> appears within the function FUN inside that expression, return an
> altered expression in which 'x' is incremented by one.
>
This sort of recursive parsing and modification is done by the bquote()
function, so you could look there.
-thomas
Thomas Lumley Assoc. Professor, Biostatistics
[EMAIL PROTECTED] University of Washington, Seattle
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