[R] how to retrieve robust se in coxph

[Frank E Harrell Jr]

Thomas Lumley wrote:
> On Thu, 16 Feb 2006, ronggui wrote:
> 
>> see robcov in Design package.
> 
> 
> No, don't.  This is not the same thing at all.
> 
>     -thomas

Thomas - it is the same thing.  -Frank

> 
>>
>> 2006/2/16, Lei  Liu <ll9f at cms.mail.virginia.edu>:
>>
>>> Hi,
>>>
>>> I am using coxph in simulations and I want to store the "robust se" (or
>>> "se2" in frailty models) for each replicate. Is there a function to 
>>> retrieve
>>> it, like vcov() for the variance estimate? Thanks!
>>>
>>> Lei Liu
>>> Assistant Professor
>>> Division of Biostatistics and Epidemiology
>>> Dept. of Public Health Sciences
>>> School of Medicine
>>> University of Virginia
>>>
>>> 3181 Hospital West Complex
>>> Charlottesville, VA 22908-0717
>>>
>>> 1-434-982-3364 (o)
>>> 1-434-806-8086 (c)
>>>
>>> liulei at virginia.edu
>>> ll9f at virginia.edu
>>>
>>> ______________________________________________
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>>> PLEASE do read the posting guide! 
>>> http://www.R-project.org/posting-guide.html
>>>
>>
>>
>> -- 
>> ï¿½ï¿½ï¿½Ù¹ï¿½
>> Deparment of Sociology
>> Fudan University
>>
>>
> 
> Thomas Lumley            Assoc. Professor, Biostatistics
> tlumley at u.washington.edu    University of Washington, Seattle
> 
> 
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> 
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-- 
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University