[R] How define global Variable?

[Kristel Joossens]

The problem is that the a is within the function
You can easily solve this by

test <- function () { a <- "new"; return(a) }
a=test()

Best regards,
Kristel


(or test <- function () { return(a <- "new")})

svenknueppel at reilich.net wrote:
> Hello,
> 
> I try to define a global variable.
> 
> My example:
> 
> R> a <- "old"
> R> test <- function () { a <- "new" }
> R> test()
> R> a # shoud be "new"
> 
> This doesn't work. I would like to modify the variable "a" in a
> procedure. How can I do that.
> 
> Thank you for helping.
> 
> Sven Knüppel (Germany-Berlin)
> 
> 
> 
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-- 
__________________________________________
Kristel Joossens        Ph.D. Student
Research Center ORSTAT  K.U. Leuven
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E-mail:  Kristel.Joossens at econ.kuleuven.be
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