R help - May 2007 - Mantel-Haenszel relative risk with Greenland-Robins variance estimate

Does anyone know of an R function for computing the Greenland-Robins 
variance for Mantel-Haenszel relative risks?

Thanks
Frank
-- 
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University

Would this function help:
http://www.csm.ornl.gov/~frome/ES/RRMHex/MHanalysis.txt ?

Regards, -Cody



                                                                           
             Frank E Harrell                                               
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                                       [R] Mantel-Haenszel relative risk   
                                       with Greenland-Robins variance      
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Does anyone know of an R function for computing the Greenland-Robins
variance for Mantel-Haenszel relative risks?

Thanks
Frank
--
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University

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Cody_Hamilton at Edwards.com wrote:
> Would this function help:
> http://www.csm.ornl.gov/~frome/ES/RRMHex/MHanalysis.txt ?
> 
> Regards, -Cody
I think so.  Thank you Cody.  If you have time would you mind defining, 
probably offline, the input data elements?  I assume that one of them is 
a stratification factor other than occupational group.

Thanks again
Frank
> 
> 
> 
>                                                                            
>              Frank E Harrell                                               
>              Jr                                                            
>              <f.harrell at vander                                       
To
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>              at.math.ethz.ch                                       Subject 
>                                        [R] Mantel-Haenszel relative risk   
>                                        with Greenland-Robins variance      
>              05/08/2007 02:38          estimate                            
>              PM                                                            
>                                                                            
>                                                                            
>                                                                            
>                                                                            
>                                                                            
> 
> 
> 
> 
> Does anyone know of an R function for computing the Greenland-Robins
> variance for Mantel-Haenszel relative risks?
> 
> Thanks
> Frank
> --

On Tue, 8 May 2007, Frank E Harrell Jr wrote:
> Does anyone know of an R function for computing the Greenland-Robins
> variance for Mantel-Haenszel relative risks?
Both the (almost identical) meta-analysis packages compute the MH 
estimator for relative risks and its standard error.

 	-thomas

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