[R] How do I get a weighted frequency table?

[Luca Meyer]

Thank you, that's works just fine.
Luca

Il giorno 29/ago/2011, alle ore 23.48, H. T. Reynolds ha scritto:

> Hi,
> 
> I use xtabs with the weight variable on the left hand side of the formula as in
> 
>   xtabs(weight ~ opinion + gender + ...)