[R] svychisq

Thomas Lumley tlumley at u.washington.edu
Tue May 22 18:23:41 CEST 2007

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 


Thomas Lumley			Assoc. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle

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