On Fri, 18 May 2007, Moss, Angela (Dudley PCT) wrote:
> Dear All
>
> I am trying to use svychisq with a two-dimensional table 4 x 5. The
> command I am using is
> summary(svytable(~dietperception+dietstatus,dudleyls1rake,na.rm=TRUE),"C
> hisq")
>
> It is throwing up an error message as follows:
>
> Error in NCOL(y) : only 0's may be mixed with negative subscripts
I can't reproduce this problem at all. I've tried tables with zero cells,
with and without raking. The na.rm= argument to svytable() can't be
helping, since svytable() doesn't have an na.rm argument.
Does the same thing happen if you call svychisq() directly rather than via
summary(svytable())?
-thomas
Thomas Lumley Assoc. Professor, Biostatistics
[EMAIL PROTECTED] University of Washington, Seattle
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