[R] Get inside a function the name of a variable called as argument?
hans.ekbrand at sociology.gu.se
Tue Apr 29 16:30:51 CEST 2008
On Tue, Apr 29, 2008 at 03:53:02PM +0200, Julien Roux wrote:
> Hi list,
> I created a function to plot my data:
> I want to write the name of the argument vector in the legend/title of
> the plot.
> For example if I call:
> > plot_function(my_vector)
> I want "my_vector" to be written in the legend or title and so retrieve
> the name of this object as a string.
> Is it possible to achieve this?
While it might be possible, I think it would be better to use an extra
argument for this:
plot_function(my_vector, title = my_title)
Functions should be general, and relying on the name of the variable
makes your function less general. What if you in the future want to
use plot_function with an anynmous vector created dynamically? e.g by
combining two other vectors:
Hans Ekbrand (http://sociologi.cjb.net) <hans at sociologi.cjb.net>
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