On Wed, Oct 6, 2010 at 9:32 AM, Ralf B <[email protected]> wrote:
> Can one create a variable through a function by name
>
> createVariable <- function(name) {
> outputVariable = name
> name <- NULL
> }
>
> after calling
>
> createVariable("myVar")
>
> I would like to have a variable myVar initialized with NULL in my
> environment. Is this possible?
This dirty trick works for me:
createVariable <- function(name) {eval(parse(text = paste(name, "<<- NULL"))) }
Example:
> abcd
Error: object 'abcd' not found
> createVariable("abcd")
> abcd
NULL
Peter
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