[R] how to evaluate a dynamic variable?

[Don MacQueen]

Does
   get(DV)
do what you want?

-Don

At 4:35 PM -0400 4/27/07, Bobby Prill wrote:
>Please help me evaluate a "dynamic variable" as show in the code 
>snippet below.
>
># regular variable
>a = c(1,2,3,4)
>
># dynamic variable set at runtime
>DV = "a"
>
>eval(DV)
>--> a
>
>eval(eval(DV))
>--> a
>
># what I want
>something_goes_here(DV)
>-->  1,2,3,4
>
>Can someone teach me how to do this?  Thanks very much.
>
>- Bobby
>
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>PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.


-- 
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA