Thomas Lumley wrote:
> On Tue, 16 Oct 2007, Gad Abraham wrote:
>
>> Gad Abraham wrote:
>>> Hi,
>>>
>>> I'm using survreg() from the survival package for parametric survival
>>> regression (modelling inter-arrival times of patients to a waiting list
>>> as exponentially distributed, with various re
Terry Therneau wrote:
> Gad Abraham wrote:
>> Hi,
>>
>> I'm using survreg() from the survival package for parametric survival
>> regression (modelling inter-arrival times of patients to a waiting list
>> as exponentially distributed, with various regressors such as queue size
>> and season).
>>
On Tue, 16 Oct 2007, Gad Abraham wrote:
> Gad Abraham wrote:
>> Hi,
>>
>> I'm using survreg() from the survival package for parametric survival
>> regression (modelling inter-arrival times of patients to a waiting list
>> as exponentially distributed, with various regressors such as queue size
>>
Gad Abraham wrote:
> Hi,
>
> I'm using survreg() from the survival package for parametric survival
> regression (modelling inter-arrival times of patients to a waiting list
> as exponentially distributed, with various regressors such as queue size
> and season).
>
> Does anyone know which algo
Did you look at the C source code? There are 4 different variants
(survregN.c, where N <- 2:5) , depending on whether the distribution is
built-in or not, and penalized likelihood is being used or not. They all
look like NR to me, but I confess I haven't read the code in extreme
detail. It is well
Gad Abraham wrote:
> Hi,
>
> I'm using survreg() from the survival package for parametric survival
> regression (modelling inter-arrival times of patients to a waiting list
> as exponentially distributed, with various regressors such as queue size
> and season).
>
> Does anyone know which algo
Hi,
I'm using survreg() from the survival package for parametric survival
regression (modelling inter-arrival times of patients to a waiting list
as exponentially distributed, with various regressors such as queue size
and season).
Does anyone know which algorithm survreg() uses for this?
Tha
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