Use 'local'
> x <- 1
> local({
+ x <- 3
+ print(x)
+ })
[1] 3
> print(x)
[1] 1
>
>
On Sun, Jan 31, 2010 at 8:56 PM, Peng Yu <pengyu...@gmail.com> wrote:
> I'm wondering if there is a way to make blocks of code independent
> from each other. Please see the following example for what I mean.
>
> x=1
>
> ## is there a way to make the following assignment not affect the above x?
> ## in C++, I can use {} to make the effect local. Is there an
> equivalent construct in R?
> x=3
> <do something with the new value of x>
> ###
>
> print(x) # I don't want the value of x change to 3.
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?
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and provide commented, minimal, self-contained, reproducible code.
