Multiple return values / bug in rpart?
On Aug 13, 2013, at 5:27 AM, Barry Rowlingson wrote:
On Mon, Aug 12, 2013 at 6:06 PM, Justin Talbot <justintalbot at gmail.com> wrote:
In the recommended package rpart (version 4.1-1), the file rpartpl.R contains the following line: return(x = x[!erase], y = y[!erase]) AFAIK, returning multiple values like this is not valid R. Is that correct? I can't seem to make it work in my own code.
Works for me, returning a list:
foo
function(x){return(x,x*2)}
foo(99)
[[1]] [1] 99 [[2]] [1] 198 But hey, that might just be because I redefined 'return' earlier:
return
function(...){list(...)}
eek.. this is bad:
(function() { if(TRUE) return("OK"); "BAD!" })()
[1] "BAD!" Trying to modify the behavior of return() is rather tricky since you have to return from the function that's calling you ...