[R] Please help me to understand environments
Ajay Shah
ajayshah at mayin.org
Sun Mar 15 08:14:49 CET 2009
I want to write:
zap <- function(v) {
if (exists(v)) {rm(v)}
}
But of course this doesn't work because the rm() acts on v which is
within zap() and doesn't affect the parent environment:
> x <- 1
> zap("x")
> x
[1] 1
How would I make this zap() function work?
--
Ajay Shah http://www.mayin.org/ajayshah
ajayshah at mayin.org http://ajayshahblog.blogspot.com
<*(:-? - wizard who doesn't know the answer.
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