Re: [R] how to retrieve robust se in coxph

From: Frank E Harrell Jr <f.harrell_at_vanderbilt.edu>
Date: Fri 17 Feb 2006 - 03:48:08 EST

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@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@virginia.edu
>>> ll9f@virginia.edu
>>>
>>> ______________________________________________
>>> R-help@stat.math.ethz.ch mailing list
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>>> PLEASE do read the posting guide!
>>> http://www.R-project.org/posting-guide.html
>>>
>>
>>
>> --
>> ���ٹ�
>> Deparment of Sociology
>> Fudan University
>>
>>
> 
> Thomas Lumley            Assoc. Professor, Biostatistics
> tlumley@u.washington.edu    University of Washington, Seattle
> 
> 
> ------------------------------------------------------------------------
> 
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-- 
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Feb 17 04:05:56 2006

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