[R] Hidden variables

Greg Snow Greg.Snow at imail.org
Wed Feb 2 22:44:05 CET 2011


Create a namespace for your package, anything not exported will be "hidden" (though a determined person can still find it).

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Joel
> Sent: Tuesday, February 01, 2011 7:28 AM
> To: r-help at r-project.org
> Subject: [R] Hidden variables
> 
> 
> Hi Im trying to make a package in R just to learn how it works.
> 
> One thing I dont manage to do is to make a hidden environment or
> variable so
> to say.
> 
> I want a "hash list" that I create my useing:
> 
> TestEnv<-new.env()
> assign("Key1","Ans1",envir=TestEnv)
> assign("Key2","Ans2",envir=TestEnv)
> 
> Then I just have this function to try it:
> 
> TestFunc<- function(Key, ...) UseMethod("TestFunc")
> 
> TestFunc.default <- function(Key,...){
> Ans<-get(Key, envir=TestEnv)
> print(Ans)
> }
> 
> But when I load this package I can access the TestEnv by just typing
> TestEnv, but I want this one hidden so that you only can get the "Ans"
> from
> the "Key" via the TestFunc.
> 
> Thx for the help
> Joel
> --
> View this message in context: http://r.789695.n4.nabble.com/Hidden-
> variables-tp3251588p3251588.html
> Sent from the R help mailing list archive at Nabble.com.
> 
> ______________________________________________
> R-help at 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.



More information about the R-help mailing list