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Re: st: Finding Predicted survival probability, and standard error of survival prediction in Hazard Models
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From |
Maarten buis <[email protected]> |
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To |
[email protected] |
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Subject |
Re: st: Finding Predicted survival probability, and standard error of survival prediction in Hazard Models |
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Date |
Tue, 10 Oct 2006 21:50:06 +0100 (BST) |
--- Maria J Hanratty <[email protected]> wrote:
> I am estimating hazard models with time varying covariates. I would
> like to estimate proportional hazard models with dummy variables
> included for hazard time intervals.
The model you want to estimate sounds to me like a piece-wise constant
exponential model which you can estimate with -streg-. It can handle
time varying covariates, but this does require some data manipulation.
The excelent lecture notes by Stephen Jenkins
(http://www.iser.essex.ac.uk/teaching/degree/stephenj/ec968/) deal with
both issues (lectures 3 and 5 seem especially appropriate).
> I would like to use the estimates to generate both the predicted
> survival probability at different points in time, and the standard
> error of the predicted survival probability.
You can get those predictions with -predictnl-.
HTH,
Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting adress:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
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