Dear Terry,
Thank you for the extended explanation -- it's helpful.
Best,
John
From: Therneau, Terry M., Ph.D. [thern...@mayo.edu]
Sent: August 31, 2015 9:56 AM
To: r-help@r-project.org; Fox, John; Göran Broström
Subject: Re: using survreg() in survival
On 08/30/2015 05:00 AM, r-help-requ...@r-project.org wrote:
I'm unable to fit a parametric survival regression using survreg() in the survival package with
data in "counting-process" ("long") form.
To illustrate using a scaled-down problem with 10 subjects (with data placed on
the web):
As
Fox, John
Cc: r-help@r-project.org
Subject: Re: [R] using survreg() in survival package with "long" data
On 08/29/2015 11:56 PM, Fox, John wrote:
> Dear Göran,
>
> Thank you for responding to my query; please see below:
>
>> -Original Message- From: R-help
>&
survreg() in survival package with "long" data
Dear John,
I think you are missing that 'survreg' does not handle left
truncated data. With that you should use the 'eha' package, for a
PH model the function 'phreg', and for an AFT model the function
'aft
Dear Göran,
Thank you for responding to my query; please see below:
> -Original Message-
> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Göran
> Broström
> Sent: August 29, 2015 3:59 PM
> To: r-help@r-project.org
> Subject: Re: [R] using survreg() i
Dear John,
I think you are missing that 'survreg' does not handle left truncated
data. With that you should use the 'eha' package, for a PH model the
function 'phreg', and for an AFT model the function 'aftreg' (you didn't
tell which model you want to fit).
Your attempt with the 'survreg' functi
Dear list members,
I'm unable to fit a parametric survival regression using survreg() in the
survival package with data in "counting-process" ("long") form.
To illustrate using a scaled-down problem with 10 subjects (with data placed on
the web):
--- snip
> library(sur
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