[R] svytable including NAs

[David Winsemius]

On Sep 14, 2011, at 6:12 AM, tesutton wrote:

> Dear all
>
> I'm creating two way tables based on weighted survey data using  
> svytable and want to include NAs as a level in the table.
> For unweighted data I use table(..., useNA="ifany"). Is there any  
> equivalent for svytable?
>
> If not, is there a solution using a different function?

I don't know the answer to the first question, but my first experiment  
to solve would be to redefine your factors with:

  fac <- factor(fac, exclude=NULL)
    ... so that you get an <NA> level and label rather than having NAs.

-- 

David Winsemius, MD
West Hartford, CT