st: How to obtain Rao-Scott chi(2) (not the F-stat) for two-way svy:tab

[Bo MacInnis <bo@macinnis.org>]

Dear Statlist mates,

I'd like to obtain the Rao-Scott chi(2) statistic for two-way svy:tab. 
The two-way svy:tab provides the Pearson statistics (uncorrected for 
design-effect as well a design effect adjusted based on Rao-Scott 
(1984). However, the design-based Pearson is converted into a F-stat. In 
my project, I'd need the chi(2) version of the Rao-Scott statistic (like 
what is provided in SAS, but I do not use SAS).

Here is the output from a two-way (2x2) svy:tab:
  Pearson:
    Uncorrected   chi2(1)         =    2.3737
    Design-based  F(1, 2803)      =    1.4764     P = 0.2244

Thank you very much for your help!
Bo
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