[R] Adding text to both grid and base graphs

[Dieter Menne]

Rik Schoemaker <RikSchoemaker <at> zonnet.nl> writes:

> Unfortunately that doesn't help because it requires you to know beforehand
> what sort of graph you're generating. I want to be able to generate a graph
> (irrespective of the type) and then use a common process to label them so I
> don't have to think about which way I generated the graph to start with...

Set a hook.

http://finzi.psych.upenn.edu/R/Rhelp08/2009-February/188168.html

Dieter