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st: RE: bootstrap and kappa


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: bootstrap and kappa
Date   Tue, 25 Nov 2003 11:24:58 -0000

-kap- leaves behind r(se) not _se. 

Nick 
n.j.cox@durham.ac.uk 

BISSERY Alvine
 
> I have a dataset with 2 radiologists, rating 40 different patients.
> I need the Kappa and the IC.
> For the IC, I try to get it by bootstrap method.
> 
> My dataset is like this:
> 
> Sujet	Rad1	Rad2
> 1	1	0
> 2	0	1
> 3	1	1
> .
> .
> 40	0	0
> 
> I get always this error message : "last estimates not found
> 					r(301);"
> 
> , when I give this syntax:
> 
> . bootstrap "kap rad1 rad2" _se, reps(30) noisily size(39)
> 

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