I'm having trouble figuring out how to create a function using "body<-"
(). The help file for body() says that the argument should be a list of
R expressions. However if I try that I get an error:
> tmpfun <- function(a, b=2){}
> body(tmpfun) <- list(expression(z <- a + b),expression(z^2))
Error in as.function.default(c(formals(f), value), envir) :
invalid formal argument list for "function"
Can someone give me a simple example for doing this? Thanks!
R. Woodrow Setzer, Jr. Phone: (919) 541-0128
Experimental Toxicology Division Fax: (919) 541-4284
Pharmacokinetics Branch
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