Re: [R] weighed Fleming-Harrington log rank test

[array chip via R-help]

 Thank you Terry. Right now I can use comp() from survMisc package to do the 
2-parameter version of F-H weighting. I think both SAS and stata offer the 
2-parameter version, so just thought it would be nice if survdiff() can have 
that option given it's standard package in R. 
Thanks!
John
On Friday, February 16, 2018, 7:08:46 AM PST, Therneau, Terry M., Ph.D. 
 wrote:  
 
  
You are correct that the survreg routine only supports 'rho' of the 
Fleming-Harrington G-rho tests.  This is a function of age -- I wrote the 
original code back when I was working with Tom (Fleming), and he was only using 
1 parameter.  Later he and David expanded the test to two parameters.  This 
might be only the second request for the feature in the 30+ years since that 
date. 
 
  
 
Terry Therneau
   
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Re: [R] weighed Fleming-Harrington log rank test

[Therneau, Terry M., Ph.D.]

You are correct that the survreg routine only supports 'rho' of the 
Fleming-Harrington G-rho tests.  This is a function of age -- I wrote the 
original code back when I was working with Tom (Fleming), and he was only using 
1 parameter.  Later he and David expanded the test to two parameters.  This 
might be only the second request for the feature in the 30+ years since that 
date.

Terry Therneau

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