On 28/01/2010, at 2:59 AM, Joe Trubisz wrote:
Hello...
In other languages (e.g. php, perl), you have the ability to create a
valid string and execute the string to get the result. For example (in
pseudo-R):
S<-"which(m==4)"
R<-exec(S)
I know this does not work, but was wondering if there was an
equivalent mechanism that I cannot find in the docs anywhere to make
it work.
> set.seed(42)
> m <- sample(0:9,42,TRUE)
> S <- "which(m==4)"
> eval(parse(text=S))
[1] 11 15 19 29 42
cheers,
Rolf Turner
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