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st: Bootstrapping metan for odds ratios


From   "Palmer, T.M." <tmp8@leicester.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Bootstrapping metan for odds ratios
Date   Wed, 15 Mar 2006 09:36:24 -0000

Dear Statalist,

I have noticed that when attempting to bootstrap the metan (version
1.86) user command with the "or" odds ratio option the following error
message is returned. 

option or not allowed
r(198);

This does not happen for either the "rr" or "rd" metan options whose
returned statistics can be bootstrapped. The bootstrap command appears
to interpret the "or" as a logical or operator (which can be denoted by
|).

To bootstrap metan with the "or" option I have placed it within a
program.

program callmetan 
metan cases_treated notcase_treated cases_control notcase_control, ///
	label(namevar=id) randomi nograph or
end

It is then possible to use the program with the bootstrap command.

bootstrap ES=r(ES) tau2=r(tau2), reps(100): callmetan

Thanks to Dr. Alex Sutton for assistance with this problem.

Best regards,

Tom Palmer

PhD student,
Dept. of Health Sciences,
University of Leicester

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