[R] Cartesian Product Of Character Vectors

[Ben Bolker]

 <Rory.WINSTON <at> rbs.com> writes:

> 
> Sorry, I spoke too soon...
> 
> interaction() only works for sequences of equal length. Anyone know a method
that works with
> unequal-length vectors?
> 

  Something like

 c(outer(vec1,vec2,paste,sep=""))  ?

  (totally untested)

  Ben Bolker