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...Please trust me that something like this will in fact be useful what I am trying to accomplish. I am using R 2.4.1 in Windows XP.) I have created two functions: 1. minus <- function(x,y) {get(x)-get(y)} a. note: x and y are of type character and represent the names of numerical objects) 2. examplefun <- function(fun, vars=vars.in, ...) { for(v in 1: ncol(vars) ) { assign( names(vars)[v] , vars[1,v] , env=.GlobalEnv) } fun(...) } a. FUN = another function (e.g. minus() that takes as its inputs variables of type chatrcater...

...SE>>= a <- a^2 a } # end of function @ % now bring the chunks together so that Sweave evaluates the function. <<evalFun, echo=FALSE>>= <<defFunHdr>> <<defFunBodyPt1>> <<defFunBodyPt2>> @ % Finally, show an example of the function <<exampleFun>>= x(3) @ =========== eval=FALSE doesnt seem to prevent the code being evaluated, as I get an error with the first chunk. (label=defFunHdr) Error in parse(file, n, text, prompt) : parse error Execution halted The output from Stangle seems ok i.e. I can execute it without error. I am on R...

...SE>>= a <- a^2 a } # end of function @ % now bring the chunks together so that Sweave evaluates the function. <<evalFun, echo=FALSE>>= <<defFunHdr>> <<defFunBodyPt1>> <<defFunBodyPt2>> @ % Finally, show an example of the function <<exampleFun>>= x(3) @ =========== eval=FALSE doesnt seem to prevent the code being evaluated, as I get an error with the first chunk. (label=defFunHdr) Error in parse(file, n, text, prompt) : parse error Execution halted The output from Stangle seems ok i.e. I can execute it without error. I am on R...